VT-9003: Moved interceptor clean up to finally block

Author: prashantp-plivo

lib/rest/axios.js

@@ -262,9 +262,6 @@ export function Axios(config) {
         }
 
         retryAxios(options).then(response => {
-          // Clean up interceptors
-          retrySetup.cleanup();
-
           var exceptionClass = {
             400: Exceptions.InvalidRequestError,
             401: Exceptions.AuthenticationError,
@@ -296,9 +293,6 @@ export function Axios(config) {
           });
         })
         .catch(function (error) {
-          // Clean up interceptors on error too
-          retrySetup.cleanup();
-
           if (error.response == undefined){
             return reject(error.stack );
           }
@@ -331,6 +325,10 @@ export function Axios(config) {
           }
           reject(error.stack + '\n' + JSON.stringify(error.response.data));
         })
+        .finally(() => {
+          // Clean up interceptors in all cases - success, error, or unexpected exception
+          retrySetup.cleanup();
+        })
       }
       else {
         axios(options).then(response => {