diff --git a/src/test/RequestClient.spec.ts b/src/test/RequestClient.spec.ts
index fa193c1..992b1f7 100644
--- a/src/test/RequestClient.spec.ts
+++ b/src/test/RequestClient.spec.ts
@@ -631,7 +631,7 @@ describe('RequestClient - Self Signed Server', () => {
         getTokenRequestErrorPrefixResponse(err.message, ServerType.SasViya)
       )
 
-    expect(rejectionErrorMessage).toEqual(expectedError)
+    expect(rejectionErrorMessage).toContain(expectedError)
   })
 
   it('should response the POST method using insecure flag', async () => {