diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 5c025cb..af42103 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -5,6 +5,7 @@ name: Test and build
   push:
     paths-ignore:
       - ".github/**"
+  workflow_dispatch:
 
 jobs:
   lint:
@@ -22,10 +23,7 @@ jobs:
     strategy:
       matrix:
         python_version:
-          - "3.8"
-          - "3.7"
-          - "3.6"
-          # - "3.10"
+          - "3.11"
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -36,7 +34,6 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
           pip install -r requirements.txt
       - name: Sanity tests with dependencies
         run: ansible-test sanity --requirements --python ${{ matrix.python_version }}
@@ -55,14 +52,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.8"
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
           pip install -r requirements.txt
       - name: Configure integration tests
         run: |
@@ -70,7 +66,7 @@ jobs:
         env:
           SC_TOKEN: "${{ secrets.SC_TOKEN }}"
       - name: Integration tests
-        run: ansible-test integration --requirements --python 3.8
+        run: ansible-test integration --requirements --python 3.11
           sc_ssh_key
           sc_cloud_computing_flavors_info
           sc_cloud_computing_regions_info
@@ -98,14 +94,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.8"
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
           pip install -r requirements.txt
       - name: Configure integration tests
         run: |
@@ -113,7 +108,7 @@ jobs:
         env:
           SC_TOKEN: "${{ secrets.SC_TOKEN }}"
       - name: Integration tests
-        run: ansible-test integration --requirements --python 3.8
+        run: ansible-test integration --requirements --python 3.11
           sc_ssh_key
           sc_baremetal_locations_info
           sc_baremetal_servers_info
@@ -136,14 +131,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.8"
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
           pip install -r requirements.txt
       - name: Configure integration tests
         run: |
@@ -151,7 +145,7 @@ jobs:
         env:
           SC_TOKEN: "${{ secrets.SC_TOKEN }}"
       - name: Integration tests
-        run: ansible-test integration --requirements --python 3.8
+        run: ansible-test integration --requirements --python 3.11
           sc_l2_segment
           sc_l2_segment_aliases
           sc_l2_segments_info
@@ -172,14 +166,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: "3.11"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
           pip install -r requirements.txt
       - name: Remove tests from final distribution
         run: rm -r tests/
diff --git a/ansible_collections/serverscom/sc_api/plugins/module_utils/modules.py b/ansible_collections/serverscom/sc_api/plugins/module_utils/modules.py
index 7d2c089..75a0413 100644
--- a/ansible_collections/serverscom/sc_api/plugins/module_utils/modules.py
+++ b/ansible_collections/serverscom/sc_api/plugins/module_utils/modules.py
@@ -13,6 +13,7 @@
 
 __metaclass__ = type
 
+_ignored = DEFAULT_API_ENDPOINT  # to silence pylint warning, it is reimported
 
 CHANGED = True
 NOT_CHANGED = False
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_baremetal_servers_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_baremetal_servers_info.py
index 9f1bb41..a27a169 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_baremetal_servers_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_baremetal_servers_info.py
@@ -26,7 +26,7 @@
     Retrive list of all existing dedicated baremetal servers.
 
 notes:
-  - Not to be confused with M(sc_dedicated_servers_info).
+  - Not to be confused with M(serverscom.sc_api.sc_dedicated_servers_info).
   - Includes information for both dedicated and other types of servers
     (f.e. kubernetes baremetal node)
 
@@ -88,7 +88,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_flavors_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_flavors_info.py
index 058ce3c..c4c6ed6 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_flavors_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_flavors_info.py
@@ -46,8 +46,8 @@
       required: true
       description:
         - Id of cloud computing region.
-        - Use I(sc_cloud_computing_regions_info) module to retrive list of
-          available regions.
+        - Use I(serverscom.sc_api.sc_cloud_computing_regions_info) module
+          to retrive list of available regions.
 """
 
 RETURN = """
@@ -101,7 +101,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_images_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_images_info.py
index 0980a3a..740e0ca 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_images_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_images_info.py
@@ -47,8 +47,8 @@
       required: true
       description:
         - Id of cloud computing region.
-        - Use I(sc_cloud_computing_regions_info) module to retrive list of
-          available regions.
+        - Use I(serverscom.sc_api.sc_cloud_computing_regions_info) module
+          to retrive list of available regions.
 """
 
 RETURN = """
@@ -107,7 +107,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance.py
index fccb939..e5622e8 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance.py
@@ -74,8 +74,8 @@
       type: int
       description:
         - Id of the cloud region for the instance
-        - Use M(sc_cloud_computing_regions_info) to get list of available
-          regions.
+        - Use M(serverscom.sc_api.sc_cloud_computing_regions_info) to get list
+          of available regions.
         - Required for I(state)=C(present).
         - May be used for other I(state) to narrow search to one region with
           I(name).
@@ -162,8 +162,8 @@
         type: str
         description:
           - Fingerprint of the public ssh key to use for user cloud-user.
-          - Fingerprint must be registered. Use M(sc_ssh_key) to register
-            public key.
+          - Fingerprint must be registered. Use M(serverscom.sc_api.sc_ssh_key)
+            to register public key.
           - Mutually exclusive with I(ssh_key_name)
           - Instance is created with password if no I(ssh_key_fingerprint)
             or I(ssh_key_name) is used.
@@ -209,8 +209,8 @@
         - Value C(0) is used to disable wait.
         - If C(0) is set, module works in 'fire-and-forget' mode.
         - ACTIVE state doesn't mean that instance is ready to accept ssh
-          connections. Use M(wait_for_connection) module wait until instance
-          finishes booting.
+          connections. Use M(ansible.builtin.wait_for_connection) module
+          to wait until instance finishes booting.
         - wait time is independent for I(retry_on_conflicts) and status wait.
         - If instance is in conflicting state, first module will retry up to
           I(wait) seconds to delete it, and then wait for I(wait) seconds for
@@ -242,8 +242,8 @@
        - Upgrades are autoconfirmed in 72 hours.
        - Used only for I(state)=C(upgraded), ignored of other I(state).
        - If instance is in the state AWAITING_UPGRADE_CONFIRM,
-         calling M(cloud_computing_instance) with I(state)=C(upgraded)
-         confirm upgrade.
+         calling M(serverscom.sc_api.cloud_computing_instance)
+         with I(state)=C(upgraded) confirm upgrade.
        - If I(wait)=C(0) instance upgrage is not confirmed even if
          I(confirm_upgrade)=C(true).
 """
@@ -376,7 +376,7 @@
 
 EXAMPLES = """
 - name: Delete instance by ID
-  sc_cloud_computing_instance:
+  serverscom.sc_api.sc_cloud_computing_instance:
     token: '{{ sc_token }}'
     instance_id: M7e5Ba2v
     state: absent
@@ -384,7 +384,7 @@
     update_interval: 5
 
 - name: Delete instance by name in region 3
-  sc_cloud_computing_instance:
+  serverscom.sc_api.sc_cloud_computing_instance:
     token: '{{ sc_token }}'
     name: test
     region_id: 3
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_info.py
index c22a891..24de428 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_info.py
@@ -214,7 +214,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_ptr.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_ptr.py
index 8549a6e..49dda6e 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_ptr.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_ptr.py
@@ -148,7 +148,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_state.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_state.py
index 049978e..d216d00 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_state.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instance_state.py
@@ -26,7 +26,8 @@
 description: >
     Allow to control power state and rescue mode for instance.
     This module does not allow removal and creation of the instance,
-    use M(sc_cloud_computing_instance) with state=present/absent.
+    use M(serverscom.sc_api.sc_cloud_computing_instance)
+    with state=present/absent.
 
 options:
     endpoint:
@@ -111,9 +112,9 @@
         - Value C(0) is used to disable wait.
         - If C(0) is set, module works in 'fire-and-forget' mode.
         - ACTIVE state doesn't mean that instance is ready to accept ssh
-          connections. Use M(wait_for_connection) module wait until instance
-          finishes booting. handlers or when statement may be used
-          to preserve idempotency.
+          connections. Use M(ansible.builtin.wait_for_connection) module
+          wait until instance finishes booting.
+          handlers or when statement may be used to preserve idempotency.
 
     update_interval:
       type: int
@@ -280,7 +281,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instances_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instances_info.py
index ca21da2..368e34e 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instances_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_instances_info.py
@@ -45,8 +45,8 @@
       type: int
       description:
         - Id of cloud computing region to filter.
-        - Use I(sc_cloud_computing_regions_info) module to retrive list of
-          available regions.
+        - Use I(serverscom.sc_api.sc_cloud_computing_regions_info) module
+          to retrive list of available regions.
         - Module returns instances for all regions if I(region_id) is not
           specified.
 """
@@ -178,7 +178,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_openstack_credentials.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_openstack_credentials.py
index dd450ee..f2b814a 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_openstack_credentials.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_cloud_computing_openstack_credentials.py
@@ -59,8 +59,8 @@
       required: true
       description:
         - Id of cloud computing region.
-        - Use I(sc_cloud_computing_regions_info) module to retrive list of
-          available regions.
+        - Use I(serverscom.sc_api.sc_cloud_computing_regions_info) module
+          to retrive list of available regions.
 """
 
 RETURN = """
@@ -132,7 +132,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_info.py
index 27c7b2f..190819f 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_info.py
@@ -250,7 +250,7 @@
 
 EXAMPLES = """
 - name: Get server info
-  sc_dedicated_server_info:
+  serverscom.sc_api.sc_dedicated_server_info:
     token: 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MzgxMjEsInR5cGUiOiJVc2VyIiwiYWNjZXNzX2dyYW50X2lkIjoyNjgwNywiZXhwIjoyMjI2OTk3NjMwfQ.rO4nGXNgXggjNmMJBLXovOh1coNrDWl4dGrGFupYXJE'
     id: '0m592Zmn'
   register: srv
@@ -259,7 +259,7 @@
     msg: 'Server {{ srv.name }} has IP {{ srv.public_ipv4_address }}'
 
 - name: Wait until server is ready
-  sc_dedicated_server_info:
+  serverscom.sc_api.sc_dedicated_server_info:
     token: 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6MzgxMjEsInR5cGUiOiJVc2VyIiwiYWNjZXNzX2dyYW50X2lkIjoyNjgwNywiZXhwIjoyMjI2OTk3NjMwfQ.rO4nGXNgXggjNmMJBLXovOh1coNrDWl4dGrGFupYXJE'
     id: '0m592Zmn'
   register: srv
@@ -270,7 +270,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_reinstall.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_reinstall.py
index 3e83144..b67b420 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_reinstall.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_dedicated_server_reinstall.py
@@ -155,7 +155,7 @@
       elements: str
       description:
         - Array of fingerprints of public ssh keys to add for root user.
-        - Keys must be registered before use by module M(sc_ssh_key).
+        - Keys must be registered before use by module M(serverscom.sc_api.sc_ssh_key).
         - Mutually exclusive with I(ssh_key_name).
         - Server is reinstalled with root password only if no I(ssh_keys) or
           I(ssh_key_name) specified.
@@ -181,8 +181,8 @@
             - When server become 'ready' after reinstallation,
               it can still be in booting state for some time
               and do not answer ssh/ping request.
-              Use M(wait_for_connection) module to wait the server
-              to become available though ssh.
+              Use M(serverscom.sc_api.wait_for_connection) module
+              to wait the server to become available though ssh.
             - Installation may start few minutes later than request,
               during this time server is responding with 'old' ssh.
 
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_key.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_key.py
index 8e7637c..5df84d0 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_key.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_key.py
@@ -117,7 +117,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_keys_info.py b/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_keys_info.py
index e620ae1..16dca16 100644
--- a/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_keys_info.py
+++ b/ansible_collections/serverscom/sc_api/plugins/modules/sc_ssh_keys_info.py
@@ -89,7 +89,6 @@
 
 
 from ansible.module_utils.basic import AnsibleModule
-import json
 from ansible_collections.serverscom.sc_api.plugins.module_utils.modules import (
     DEFAULT_API_ENDPOINT,
     SCBaseError,
diff --git a/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_instance/tasks/main.yaml b/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_instance/tasks/main.yaml
index 8ace238..0eb8b11 100644
--- a/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_instance/tasks/main.yaml
+++ b/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_instance/tasks/main.yaml
@@ -81,6 +81,7 @@
   tags: always
 
 - name: Test5, create absent instance in check_mode
+  tags: [test5]
   block:
     - name: Test5, create instance in check mode
       sc_cloud_computing_instance:
@@ -89,7 +90,7 @@
         state: present
         region_id: "{{ regions.regions[0].id }}"
         flavor_id: '{{ (flavor_info.cloud_flavors|sort(attribute="disk"))[0].id }}'
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
         name: ec354674-e844-11ea-ac53-83e1244f3049
         backup_copies: 0
         gpn: true
@@ -120,7 +121,9 @@
         update_interval: 5
 
 - name: Test6, normal state=present/state=absent testsuite with wait
+  tags: [test6]
   block:
+    - debug: var=img_info.cloud_images
     - name: Test6, create instance with wait
       sc_cloud_computing_instance:
         token: "{{ sc_token }}"
@@ -128,7 +131,7 @@
         state: present
         region_id: "{{ regions.regions[0].id }}"
         flavor_id: '{{ (flavor_info.cloud_flavors|sort(attribute="disk"))[0].id }}'
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
         name: 52310c60-7446-482d-a30e-2bedeb515878
         backup_copies: 0
         gpn: true
@@ -158,7 +161,7 @@
         state: present
         region_id: "{{ regions.regions[0].id }}"
         flavor_id: '{{ (flavor_info.cloud_flavors|sort(attribute="disk"))[0].id }}'
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
         name: 52310c60-7446-482d-a30e-2bedeb515878
         backup_copies: 0
         gpn: true
@@ -174,7 +177,7 @@
         state: present
         region_id: "{{ regions.regions[0].id }}"
         flavor_id: '{{ (flavor_info.cloud_flavors|sort(attribute="disk"))[0].id }}'
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
         name: 52310c60-7446-482d-a30e-2bedeb515878
         backup_copies: 0
         gpn: true
@@ -213,7 +216,7 @@
         state: present
         region_id: "{{ regions.regions[0].id }}"
         flavor_id: '{{ (flavor_info.cloud_flavors|sort(attribute="disk"))[0].id }}'
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
         name: c4edd55c-8a79-4181-b880-917b8ee5cdf2
         backup_copies: 0
         gpn: false
@@ -313,7 +316,7 @@
         name: 15a0688b-44f6-41e2-971c-4e860c402373
         region_id: "{{ regions.regions[0].id }}"
         flavor_name: "dont.exist"
-        image_id: "{{ img_info.cloud_images[0].id }}"
+        image_id: "{{ (img_info.cloud_images | selectattr('allowed_flavors', 'equalto', []) | first).id }}"
       register: test8_flavor
       failed_when: false
 
diff --git a/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_openstack_credentials/tasks/main.yaml b/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_openstack_credentials/tasks/main.yaml
index f646d22..8130acb 100644
--- a/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_openstack_credentials/tasks/main.yaml
+++ b/ansible_collections/serverscom/sc_api/tests/integration/targets/sc_cloud_computing_openstack_credentials/tasks/main.yaml
@@ -2,13 +2,13 @@
 - name: Check if there are sc_token and sc_endpoint variables
   no_log: true
   fail:
-    msg: 'You need to define sc_token and sc_endpoint variables in tests/integration/integration_config.yml'
+    msg: "You need to define sc_token and sc_endpoint variables in tests/integration/integration_config.yml"
   when: not sc_endpoint or not sc_token
 
 - name: Test invalid token
   sc_cloud_computing_openstack_credentials:
     token: invalid
-    endpoint: '{{ sc_endpoint }}'
+    endpoint: "{{ sc_endpoint }}"
     region_id: 424242
   register: test1
   failed_when:
@@ -18,8 +18,8 @@
 
 - name: Test2, List for non-existing region
   sc_cloud_computing_openstack_credentials:
-    token: '{{ sc_token }}'
-    endpoint: '{{ sc_endpoint }}'
+    token: "{{ sc_token }}"
+    endpoint: "{{ sc_endpoint }}"
     region_id: 424242
   register: test2
   failed_when: test2.status_code!=404
@@ -33,15 +33,15 @@
 
 - name: Test3 prep, get regions
   sc_cloud_computing_regions_info:
-    token: '{{ sc_token }}'
-    endpoint: '{{ sc_endpoint }}'
+    token: "{{ sc_token }}"
+    endpoint: "{{ sc_endpoint }}"
   register: regions
 
 - name: Test3, Get creds for region1
   sc_cloud_computing_openstack_credentials:
-    token: '{{ sc_token }}'
-    endpoint: '{{ sc_endpoint }}'
-    region_id: '{{ regions.regions[0].id }}'
+    token: "{{ sc_token }}"
+    endpoint: "{{ sc_endpoint }}"
+    region_id: "{{ regions.regions[0].id }}"
   register: creds
 
 - name: Check Test3
@@ -52,14 +52,3 @@
       - creds.tenant_name
       - creds.username
       - creds.password
-
-- name: Validate creds
-  os_auth:
-    auth:
-      auth_url: '{{ creds.url }}'
-      username: '{{ creds.username }}'
-      password: '{{ creds.password }}'
-      project_name: '{{ creds.tenant_name }}'
-      os_user_domain_name: default
-      os_project_domain_name: default
-  register: os
diff --git a/devel.md b/devel.md
new file mode 100644
index 0000000..8b8e802
--- /dev/null
+++ b/devel.md
@@ -0,0 +1,40 @@
+# Getting started
+
+1. Install/configure venv using requirements.txt.
+2. Do not forget to update your python version in commands below.
+3. All ansible-test invocations should happen in `ansible_collections/serverscom/sc_api`.
+   This is ansible-test requirement.
+4. Installing test dependencies: add `--requirements` to ansible-test during normal calls.
+
+Running sanity checks:
+
+```
+ansible-test sanity --requirements --python 3.11
+```
+
+unit tests:
+
+```
+ansible-test units --requirements --python 3.11
+```
+(if you get odd errors from pytest, don't forget --requirements)
+
+Both unit and sanity checks can work without secrets.
+
+# Integration tests
+
+To run integration tests you need to generate your own config at
+`ansible_collections/serverscom/sc_api/tests/integration/integration_config.yml`
+(this location is odd, but it's the single place where ansible-test permits any side
+causes into test playbooks)
+
+See example in `integration_config.yml.template`.
+
+Please, pay attention,
+you need at least 3 baremetal servers to run tests for baremetal modules.
+
+The main secret you get is SC_TOKEN, which is token to access servers.com API.
+
+At the time of writing you could get one from here: https://portal.servers.com/profile/api-tokens
+
+Please be careful, some tests will cause significant financial spendings. They also will reinstall baremetal servers, so you should dedicate servers for those testing exlusively.
diff --git a/requirements.txt b/requirements.txt
index e2fa2d6..4206eae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
-ansible==2.9.20
+ansible-core==2.16.2
 wheel
 openstacksdk
-jinja2<3.1
+flake8
+pytest