integration: disable embed tests with gRPC proxy for now

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

integration/embed_test.go

@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+// +build !cluster_proxy
+
+// TODO: fix race conditions with setupLogging
+
 package integration
 
 import (