moved event loop back into test files

Author: daniel-sanche

tests/system/data/__init__.py

@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import asyncio
 import pytest
 import uuid
 from google.cloud.bigtable.data._cross_sync import CrossSync
@@ -29,14 +28,6 @@ class SystemTestRunner:
     used by standard system tests, and metrics tests
     """
 
-    @CrossSync.drop
-    @pytest.fixture(scope="session")
-    def event_loop(self):
-        loop = asyncio.get_event_loop()
-        yield loop
-        loop.stop()
-        loop.close()
-
     @pytest.fixture(scope="session")
     def init_table_id(self):
         """

tests/system/data/test_metrics_async.py

@@ -58,6 +58,14 @@ def __repr__(self):
 @CrossSync.convert_class(sync_name="TestMetrics")
 class TestMetricsAsync(SystemTestRunner):
 
+    @CrossSync.drop
+    @pytest.fixture(scope="session")
+    def event_loop(self):
+        loop = asyncio.get_event_loop()
+        yield loop
+        loop.stop()
+        loop.close()
+
     def _make_client(self):
         project = os.getenv("GOOGLE_CLOUD_PROJECT") or None
         return CrossSync.DataClient(project=project)

tests/system/data/test_system_async.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import asyncio
 import pytest
 import datetime
 import uuid
@@ -152,6 +153,15 @@ async def create_row_and_mutation(
 
 @CrossSync.convert_class(sync_name="TestSystem")
 class TestSystemAsync(SystemTestRunner):
+
+    @CrossSync.drop
+    @pytest.fixture(scope="session")
+    def event_loop(self):
+        loop = asyncio.get_event_loop()
+        yield loop
+        loop.stop()
+        loop.close()
+
     def _make_client(self):
         project = os.getenv("GOOGLE_CLOUD_PROJECT") or None
         return CrossSync.DataClient(project=project)