Remove test classes in favor of inheritance within concrete adapters

dbt-tests-adapter/dbt/tests/adapter/simple_snapshot/test_various_configs.py

@@ -65,10 +65,6 @@ def test_snapshot_column_names(self, project):
         check_relations_equal(project.adapter, ["snapshot_actual", "snapshot_expected"])
 
 
-class TestSnapshotColumnNames(BaseSnapshotColumnNames):
-    pass
-
-
 class BaseSnapshotColumnNamesFromDbtProject:
     @pytest.fixture(scope="class")
     def snapshots(self):
@@ -114,10 +110,6 @@ def test_snapshot_column_names_from_project(self, project):
         check_relations_equal(project.adapter, ["snapshot_actual", "snapshot_expected"])
 
 
-class TestSnapshotColumnNamesFromDbtProject(BaseSnapshotColumnNamesFromDbtProject):
-    pass
-
-
 class BaseSnapshotInvalidColumnNames:
     @pytest.fixture(scope="class")
     def snapshots(self):
@@ -184,10 +176,6 @@ def test_snapshot_invalid_column_names(self, project):
         assert "Snapshot target is missing configured columns" in log_output
 
 
-class TestSnapshotInvalidColumnNames(BaseSnapshotInvalidColumnNames):
-    pass
-
-
 class BaseSnapshotDbtValidToCurrent:
     @pytest.fixture(scope="class")
     def snapshots(self):
@@ -237,10 +225,6 @@ def test_valid_to_current(self, project):
         check_relations_equal(project.adapter, ["snapshot_actual", "snapshot_expected"])
 
 
-class TestSnapshotDbtValidToCurrent(BaseSnapshotDbtValidToCurrent):
-    pass
-
-
 # This uses snapshot_meta_column_names, yaml-only snapshot def,
 # and multiple keys
 class BaseSnapshotMultiUniqueKey:
@@ -268,7 +252,3 @@ def test_multi_column_unique_key(self, project):
         assert len(results) == 1
 
         check_relations_equal(project.adapter, ["snapshot_actual", "snapshot_expected"])
-
-
-class TestSnapshotMultiUniqueKey(BaseSnapshotMultiUniqueKey):
-    pass