diff --git a/plugins/auth-backend/src/lib/flow/authFlowHelpers.test.ts b/plugins/auth-backend/src/lib/flow/authFlowHelpers.test.ts
index a0c437815d..a61d51b27b 100644
--- a/plugins/auth-backend/src/lib/flow/authFlowHelpers.test.ts
+++ b/plugins/auth-backend/src/lib/flow/authFlowHelpers.test.ts
@@ -125,7 +125,7 @@ describe('oauth helpers', () => {
       postMessageResponse(mockResponse, appOrigin, data);
       expect(responseBody.match(/.postMessage\(/g)).toHaveLength(2);
       expect(
-        responseBody.match(/.postMessage\([a-zA-z.()]*, \'\*\'\)/g),
+        responseBody.match(/.postMessage\([a-zA-Z.()]*, \'\*\'\)/g),
       ).toHaveLength(1);
 
       const errData: WebMessageResponse = {
@@ -135,7 +135,7 @@ describe('oauth helpers', () => {
       postMessageResponse(mockResponse, appOrigin, errData);
       expect(responseBody.match(/.postMessage\(/g)).toHaveLength(2);
       expect(
-        responseBody.match(/.postMessage\([a-zA-z.()]*, \'\*\'\)/g),
+        responseBody.match(/.postMessage\([a-zA-Z.()]*, \'\*\'\)/g),
       ).toHaveLength(1);
     });