add mountOptions e2e test

[andyzhangx]

Is your feature request related to a problem?/Why is this needed

Describe the solution you'd like in detail

including

• positive tests
• negative tests (with wrong mountOptions provided, it should fail) (done)
  https://github.com/kubernetes-sigs/azurefile-csi-driver/blob/master/deploy/example/storageclass-azurefile-csi-mountoptions.yaml

negative tests are done:

azurefile-csi-driver/test/e2e/dynamic_provisioning_test.go

Lines 268 to 296 in f0a7d58

	ginkgo.It("should receive FailedMount event with invalid mount options [file.csi.azure.com] [disk]", func() {
	skipIfUsingInTreeVolumePlugin()
	skipIfTestingInWindowsCluster()
	pods := []testsuites.PodDetails{
	{
	Cmd: "echo 'hello world' > /mnt/test-1/data && grep 'hello world' /mnt/test-1/data",
	Volumes: []testsuites.VolumeDetails{
	{
	ClaimSize: "10Gi",
	MountOptions: []string{
	"invalid",
	"mount",
	"options",
	},
	VolumeMount: testsuites.VolumeMountDetails{
	NameGenerate: "test-volume-",
	MountPathGenerate: "/mnt/test-",
	},
	},
	},
	},
	}
	test := testsuites.DynamicallyProvisionedInvalidMountOptions{
	CSIDriver: testDriver,
	Pods: pods,
	StorageClassParameters: map[string]string{"skuName": "Premium_LRS", "fsType": "ext4"},
	}
	test.Run(cs, ns)

Describe alternatives you've considered

Additional context

[bcho]

I am working on this issue cc @andyzhangx

/assign @bcho

[fejta-bot]

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/lifecycle stale

[fejta-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
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Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle rotten

[andyzhangx]

/remove-lifecycle rotten