Remove test skipping

Change-Id: I39f4218491c7e482d57ca78ebf416a96c84366a1

Author: nathanielford

test/k8s-integration/main.go

@@ -745,8 +745,6 @@ func generateGKETestSkip(testParams *testParameters) string {
 
 	// Skip mount options test until we fix the invalid mount options for xfs.
 	skipString = skipString + "|csi-gcepd-sc-xfs.*provisioning.should.provision.storage.with.mount.options"
-	// Skip VolumeAttributesClass tests while it's a beta feature.
-	skipString = skipString + "|\\[Feature:VolumeAttributesClass\\]"
 
 	// Skip rwop test when node version is less than 1.32.  Test was added only
 	// in 1.32 and above, see tags in