Fix grpc test vet warning (coredns#3341)

This fixes the vet warning: the cancel function returned by context.WithTimeout should be called, not discarded, to avoid a context leak. Signed-off-by: Ingo Gottwald <in.gottwald@gmail.com>
beautytiger · Oct 1, 2019 · fa6718d · fa6718d
1 parent 575cea4
commit fa6718d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/test/grpc_test.go b/test/grpc_test.go
@@ -22,7 +22,8 @@ func TestGrpc(t *testing.T) {
 	}
 	defer g.Stop()
 
-	ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
 	conn, err := grpc.DialContext(ctx, tcp, grpc.WithInsecure(), grpc.WithBlock())
 	if err != nil {
 		t.Fatalf("Expected no error but got: %s", err)