Add a test for various Python models. (#189)

### Description

Adds a test for various Python models in dbt-labs/dbt-core#5906.

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Features
 - Support python model through run command API, currently supported materializations are table and incremental. ([dbt-labs/dbt-spark#377](https://github.com/dbt-labs/dbt-spark/pull/377), [#126](https://github.com/databricks/dbt-databricks/pull/126))
 - Enable Pandas and Pandas-on-Spark DataFrames for dbt python models ([dbt-labs/dbt-spark#469](https://github.com/dbt-labs/dbt-spark/pull/469), [#181](https://github.com/databricks/dbt-databricks/pull/181))
+- Implement testing for a test for various Python models ([#189](https://github.com/databricks/dbt-databricks/pull/189))
 - Implement testing for `type_boolean` in Databricks ([dbt-labs/dbt-spark#471](https://github.com/dbt-labs/dbt-spark/pull/471), [#188](https://github.com/databricks/dbt-databricks/pull/188))
 
 ### Under the hood

tests/functional/adapter/test_python_model.py

@@ -7,6 +7,7 @@
     BasePythonIncrementalTests,
     BasePythonModelTests,
 )
+from dbt.tests.adapter.python_model.test_spark import BasePySparkTests
 
 
 @pytest.mark.skip_profile("databricks_sql_endpoint", "databricks_uc_sql_endpoint")
@@ -64,3 +65,8 @@ def test_changing_schema_with_log_validation(self, project, logs_dir):
             assert "On model.test.simple_python_model:" in log
             assert "spark.createDataFrame(data, schema=['test1', 'test3'])" in log
             assert "Execution status: OK in" in log
+
+
+@pytest.mark.skip_profile("databricks_sql_endpoint", "databricks_uc_sql_endpoint")
+class TestPySparkDatabricks(BasePySparkTests):
+    pass