storage: skip TestIntegration_KMS

This has mysteriously stopped working as of today. Skipping while
I investigate further.

Updates #1787

Change-Id: Iba1c2cf7da08e40aa8290fc7887643b6f2a8e90a
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/52210
Reviewed-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Tyler Bui-Palsulich <tbp@google.com>
diff --git a/storage/integration_test.go b/storage/integration_test.go
index e3d4b3c..cccaa91 100644
--- a/storage/integration_test.go
+++ b/storage/integration_test.go
@@ -2714,6 +2714,8 @@
 }
 
 func TestIntegration_KMS(t *testing.T) {
+	t.Skip("https://github.com/googleapis/google-cloud-go/issues/1787")
+
 	ctx := context.Background()
 	client := testConfig(ctx, t)
 	defer client.Close()