Teradata Profile Mapping Issue - Credentials in profile "generated_pr…

…ofile", target "dev" invalid: Runtime Error Must specify `schema` in Teradata profile (astronomer#1088)

`TeradataUserPassword` profile mapping throws below error for mock
profile

```
Credentials in profile "generated_profile", target "dev" invalid:
Runtime Error Must specify the schema in Teradata profile
```

Closes astronomer#1087

cosmos/profiles/teradata/user_pass.py

@@ -49,3 +49,10 @@ def profile(self) -> dict[str, Any]:
             profile["schema"] = profile["user"]
 
         return self.filter_null(profile)
+
+    @property
+    def mock_profile(self) -> dict[str, Any | None]:
+        """Gets mock profile. Assigning user to schema as default"""
+        mock_profile = super().mock_profile
+        mock_profile["schema"] = mock_profile["user"]
+        return mock_profile

tests/profiles/teradata/test_teradata_user_pass.py

@@ -96,6 +96,12 @@ def test_profile_mapping_selected(
     assert isinstance(profile_mapping, TeradataUserPasswordProfileMapping)
 
 
+def test_profile_mapping_schema_validation(mock_teradata_conn: Connection) -> None:
+    # port is not handled in airflow connection so adding it as profile_args
+    profile = TeradataUserPasswordProfileMapping(mock_teradata_conn.conn_id)
+    assert profile.profile["schema"] == "my_user"
+
+
 def test_profile_mapping_keeps_port(mock_teradata_conn: Connection) -> None:
     # port is not handled in airflow connection so adding it as profile_args
     profile = TeradataUserPasswordProfileMapping(mock_teradata_conn.conn_id, profile_args={"port": 1025})
@@ -174,3 +180,6 @@ def test_mock_profile() -> None:
     """
     profile = TeradataUserPasswordProfileMapping("mock_conn_id")
     assert profile.mock_profile.get("host") == "mock_value"
+    assert profile.mock_profile.get("user") == "mock_value"
+    assert profile.mock_profile.get("password") == "mock_value"
+    assert profile.mock_profile.get("schema") == "mock_value"