feature/VolumeLimit Fix the unit tests

Author: Samson Yerraguntla

tests/CLI/modules/block_tests.py

@@ -675,5 +675,5 @@ def test_volume_limit(self, list_mock):
                 "provisionedCount": 100
             }]
 
-        result = self.run_command(['block', 'volume-limit'])
+        result = self.run_command(['block', 'volume-limits'])
         self.assert_no_fail(result)

tests/CLI/modules/file_tests.py

@@ -674,5 +674,5 @@ def test_volume_limit(self, list_mock):
                 'maximumAvailableCount': 300,
                 'provisionedCount': 100
             }]
-        result = self.run_command(['file', 'volume-limit'])
+        result = self.run_command(['file', 'volume-limits'])
         self.assert_no_fail(result)