add test on prop

Author: morganleroi

tests/CTS/requests/ingestion/createSource.json

@@ -12,7 +12,8 @@
           "de"
         ],
         "url": "http://commercetools.com",
-        "projectKey": "keyID"
+        "projectKey": "keyID",
+        "productQueryPredicate": "masterVariant(attributes(name=\"Brand\" and value=\"Algolia\"))"
       },
       "authenticationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f"
     },
@@ -30,7 +31,8 @@
             "de"
           ],
           "url": "http://commercetools.com",
-          "projectKey": "keyID"
+          "projectKey": "keyID",
+          "productQueryPredicate": "masterVariant(attributes(name=\"Brand\" and value=\"Algolia\"))"
         },
         "authenticationID": "6c02aeb1-775e-418e-870b-1faccd4b2c0f"
       }