Resolve TMSS-1964 "Front end only fix broken scheduling"

Implements some filtering feedback from the TMSS-1964 Review by the End User.

SAS/TMSS/frontend/tmss_webapp/src/utils/test.helper.js

@@ -54,7 +54,7 @@ export function removeReact18ConsoleErrors() {
 // remove 404 errors who are un purpose due to testing 404 :)
 export function remove404Errors() {
     jest.spyOn(global.console, 'error').mockImplementationOnce((message) => {
-        if (!message.includes('Request failed with status code 404') ) {
+        if (!message == "Request failed with status code 404" ) {
             global.console.error(message);
         }
     });