fix pull-azuredisk-csi-driver-external-e2e-single-az test failure

[andyzhangx]

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

Describe the solution you'd like in detail

https://storage.googleapis.com/kubernetes-jenkins/pr-logs/pull/kubernetes-sigs_azuredisk-csi-driver/2526/pull-azuredisk-csi-driver-external-e2e-single-az/1836952385784647680/build-log.txt

�[91m�[1mSummarizing 2 Failures:�[0m

�[91m�[1m[Fail] �[0m�[90mExternal Storage [Driver: test.csi.azure.com] �[0m�[0m[Testpattern: Dynamic PV (block volmode)(allowExpansion)] volume-expand �[0m�[91m�[1m[It] Verify if offline PVC expansion works �[0m
�[37mtest/e2e/storage/testsuites/volume_expand.go:222�[0m

�[91m�[1m[Fail] �[0m�[90mExternal Storage [Driver: test.csi.azure.com] �[0m�[0m[Testpattern: Dynamic PV (default fs)(allowExpansion)] volume-expand �[0m�[91m�[1m[It] Verify if offline PVC expansion works �[0m
�[37mtest/e2e/storage/testsuites/volume_expand.go:222�[0m

�[1m�[91mRan 95 of 7227 Specs in 980.898 seconds�[0m
�[1m�[91mFAIL!�[0m -- �[32m�[1m93 Passed�[0m | �[91m�[1m2 Failed�[0m | �[33m�[1m0 Pending�[0m | �[36m�[1m7132 Skipped�[0m

�[91m�[1m• Failure [339.127 seconds]�[0m
External Storage [Driver: test.csi.azure.com]
�[90mtest/e2e/storage/external/external.go:174�[0m
  [Testpattern: Dynamic PV (block volmode)(allowExpansion)] volume-expand
  �[90mtest/e2e/storage/framework/testsuite.go:50�[0m
    �[91m�[1mVerify if offline PVC expansion works [It]�[0m
    �[90mtest/e2e/storage/testsuites/volume_expand.go:176�[0m

    �[91mSep 20 02:57:47.745: While waiting for pvc to have fs resizing condition
    Unexpected error:
        <*errors.errorString | 0xc0025ff530>: {
            s: "error waiting for pvc \"test.csi.azure.coml5vg9\" to have filesystem resize status: timed out waiting for the condition",
        }
        error waiting for pvc "test.csi.azure.coml5vg9" to have filesystem resize status: timed out waiting for the condition
    occurred�[0m

    test/e2e/storage/testsuites/volume_expand.go:222
�[90m------------------------------�[0m
{"msg":"FAILED External Storage [Driver: test.csi.azure.com] [Testpattern: Dynamic PV (block volmode)(allowExpansion)] volume-expand Verify if offline PVC expansion works","total":-1,"completed":1,"skipped":55,"failed":1,"failures":["External Storage [Driver: test.csi.azure.com] [Testpattern: Dynamic PV (block volmode)(allowExpansion)] volume-expand Verify if offline PVC expansion works"]}

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Additional context

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