tests: Adjust integration helper to display server errors for each API.

test/helpers/api-integration.helper.js

@@ -243,11 +243,20 @@ function _requestMaker (user, method, additionalSets) {
           if (err) {
             if (!err.response) return reject(err);
 
-            return reject({
-              code: err.status,
-              error: err.response.body.error,
-              message: err.response.body.message,
-            });
+            if (API_V === 'v3') {
+              return reject({
+                code: err.status,
+                error: err.response.body.error,
+                message: err.response.body.message,
+              });
+            } else if (API_V === 'v2') {
+              return reject({
+                code: err.status,
+                text: err.response.body.err,
+              });
+            }
+
+            return reject(err);
           }
 
           resolve(response.body);