t.Fatalf("Unable to create file, %s", err)
	}

	testCases := []struct {
		volName     string
		expectedErr error
	}{
		// TestXLStorage case  - 1.
		// A valida case. Empty vol, should be possible to delete.
		{
			volName:     "success-vol",
			expectedErr: nil,
		},
		// TestXLStorage case - 2.
		// volume is non-existent.
		{
			volName:     "nonexistent-vol",