This set of e2e tests is to confirm that persistent volume works well for all volumeModes.
Coverage of the tests are shown in the figure of [Test cases], below.

Once implementation policy is confirmed to be good, we can add plugins and test cases to this.

[Test cases]
 #   plugin      volumeMode    Test case                                              Expectation
--- ---------- -------------- ------------------------------------------------------ ------------
 1    iSCSI      Block         (a) Create Pod with PV and confirm Read/Write to PV    Success
 2    iSCSI      FileSystem    (a) Create Pod with PV and confirm Read/Write to PV    Success
 3    RBD        Block         (a) Create Pod with PV and confirm Read/Write to PV    Success
 4    RBD        FileSystem    (a) Create Pod with PV and confirm Read/Write to PV    Success
 5    CephFS     Block         (a) Create Pod with PV and confirm Read/Write to PV    Fail
 6    CephFS     FileSystem    (a) Create Pod with PV and confirm Read/Write to PV    Success
 7    NFS        Block         (a) Create Pod with PV and confirm Read/Write to PV    Fail
 8    NFS        FileSystem    (a) Create Pod with PV and confirm Read/Write to PV    Success

fixes: #56803