Modify test to verify the error message contains, not is with line re…

…strictions in pkgs

test/com/datastax/configbuilder/operator_test.clj

@@ -26,7 +26,7 @@
         :definitions-location test-data/definitions-location})
       (is false "Malformed input was not detected")
       (catch Exception e
-        (is (= "Unexpected end-of-input within/between Object entries\n at [Source: (StringReader); line: 1, column: 31]"
+        (is (contains "Unexpected end-of-input within/between Object entries"
                (.getMessage e))
             "Wrong error thrown"))))
   (testing "ensure all files generated"