add integ test

Update readme

Update readme

use lazy qualifier to avoid Polynomial regular expression

packages/@aws-cdk-testing/framework-integ/test/aws-cognito/test/integ.user-pool-link-custom-placeholder.js.snapshot/integ-user-pool-link-custom-placeholder.template.json

@@ -0,0 +1,76 @@
+{
+ "Resources": {
+  "myuserpool01998219": {
+   "Type": "AWS::Cognito::UserPool",
+   "Properties": {
+    "AccountRecoverySetting": {
+     "RecoveryMechanisms": [
+      {
+       "Name": "verified_phone_number",
+       "Priority": 1
+      },
+      {
+       "Name": "verified_email",
+       "Priority": 2
+      }
+     ]
+    },
+    "AdminCreateUserConfig": {
+     "AllowAdminCreateUserOnly": true
+    },
+    "DeletionProtection": "INACTIVE",
+    "SmsVerificationMessage": "The verification code to your new account is {####}",
+    "UserPoolName": "MyUserPool",
+    "VerificationMessageTemplate": {
+     "DefaultEmailOption": "CONFIRM_WITH_LINK",
+     "EmailMessageByLink": "You have been invited to join our awesome app! {##Click here to verify your email##}",
+     "EmailSubjectByLink": "Invite to join our awesome app!",
+     "SmsMessage": "The verification code to your new account is {####}"
+    }
+   },
+   "UpdateReplacePolicy": "Delete",
+   "DeletionPolicy": "Delete"
+  }
+ },
+ "Outputs": {
+  "userpoolid": {
+   "Value": {
+    "Ref": "myuserpool01998219"
+   }
+  }
+ },
+ "Parameters": {
+  "BootstrapVersion": {
+   "Type": "AWS::SSM::Parameter::Value<String>",
+   "Default": "/cdk-bootstrap/hnb659fds/version",
+   "Description": "Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store. [cdk:skip]"
+  }
+ },
+ "Rules": {
+  "CheckBootstrapVersion": {
+   "Assertions": [
+    {
+     "Assert": {
+      "Fn::Not": [
+       {
+        "Fn::Contains": [
+         [
+          "1",
+          "2",
+          "3",
+          "4",
+          "5"
+         ],
+         {
+          "Ref": "BootstrapVersion"
+         }
+        ]
+       }
+      ]
+     },
+     "AssertDescription": "CDK bootstrap stack version 6 required. Please run 'cdk bootstrap' with a recent version of the CDK CLI."
+    }
+   ]
+  }
+ }
+}