storage: skip HMACKey integration test

Skipping the HMACKey integration test
until we figure out how to correlate
service accounts with HMACKey limits.

Updates #1526.

Change-Id: Ifd6f5db34e4a701010cfdded79b3c7451afea64b
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/43613
Reviewed-by: Jean de Klerk <deklerk@google.com>
diff --git a/storage/integration_test.go b/storage/integration_test.go
index e4a92bc..9755542 100644
--- a/storage/integration_test.go
+++ b/storage/integration_test.go
@@ -2761,6 +2761,8 @@
 }
 
 func TestIntegration_HMACKey_Update(t *testing.T) {
+	t.Skip("https://github.com/googleapis/google-cloud-go/issues/1526")
+
 	ctx := context.Background()
 	client := testConfig(ctx, t)
 	defer client.Close()