kvstoremesh: re-enable the integration tests

Now that a locking mechanism is in place to prevent the interaction
between different tests using the kvstore, let's enable again the
kvstoremesh integration tests.

Signed-off-by: Marco Iorio <marco.iorio@isovalent.com>

pkg/clustermesh/kvstoremesh/kvstoremesh_test.go

@@ -81,7 +81,6 @@ func (w *remoteEtcdClientWrapper) ListAndWatch(ctx context.Context, name, prefix
 }
 
 func TestRemoteClusterRun(t *testing.T) {
-	t.Skip("Skip: it appears to badly interact with the other clustermesh tests")
 	testutils.IntegrationTest(t)
 
 	kvstore.SetupDummyWithConfigOpts(t, "etcd",