remove unnecessary test setup

tests/boundary/test_bigquery_sdk.py

@@ -5,16 +5,14 @@
 from google.api_core.exceptions import NotFound
 
 
-class TestBigQuerySDK:
+@pytest.mark.parametrize("table_name", ["this_table_does_not_exist"])
+def test_get_table_does_not_exist(project, table_name):
     """
     TODO: replace dbt project methods with direct connection instantiation
     """
-
-    @pytest.mark.parametrize("table_name", ["this_table_does_not_exist"])
-    def test_get_table_does_not_exist(self, project, table_name):
-        with get_connection(project.adapter) as conn:
-            client: Client = conn.handle
-            dataset_ref = DatasetReference(project.database, project.test_schema)
-            table_ref = TableReference(dataset_ref, table_name)
-            with pytest.raises(NotFound):
-                client.get_table(table_ref)
+    with get_connection(project.adapter) as conn:
+        client: Client = conn.handle
+        dataset_ref = DatasetReference(project.database, project.test_schema)
+        table_ref = TableReference(dataset_ref, table_name)
+        with pytest.raises(NotFound):
+            client.get_table(table_ref)