Drop string interpolation use to support IE in tests

Starcounter-Jack · Mar 29, 2019 · 0887799 · 0887799
1 parent 0b4a1e1
commit 0887799
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/test/spec/validateSpec.js b/test/spec/validateSpec.js
@@ -86,7 +86,13 @@ describe('validate', function() {
       "root": []
     }"
     */
-    const expectedFormattedErrorMessage = `${message}\nname: ${name}\nindex: ${index}\noperation: ${operation}\ntree: ${tree}`
+    const expectedFormattedErrorMessage = message
+      .concat("\nname: ")
+      .concat(name, "\nindex: ")
+      .concat(index, "\noperation: ")
+      .concat(operation, "\ntree: ")
+      .concat(tree); // don't use `` to support the loveliest browser: IE
+
     expect(expectedError.message).toEqual(expectedFormattedErrorMessage);
   });