Add abort test to tests.json

src/python/grpcio_tests/tests_aio/tests.json

@@ -1,5 +1,6 @@
 [
   "_sanity._sanity_test.AioSanityTest",
+  "unit.abort_test.TestAbort",
   "unit.aio_rpc_error_test.TestAioRpcError",
   "unit.call_test.TestUnaryStreamCall",
   "unit.call_test.TestUnaryUnaryCall",

src/python/grpcio_tests/tests_aio/unit/abort_test.py

@@ -84,7 +84,7 @@ async def _start_test_server():
     return 'localhost:%d' % port, server
 
 
-class TestServer(AioTestBase):
+class TestAbort(AioTestBase):
 
     async def setUp(self):
         address, self._server = await _start_test_server()