diff --git a/projects/ngx-mask-lib/src/test/mask.pipe.spec.ts b/projects/ngx-mask-lib/src/test/mask.pipe.spec.ts
index 2ff1843b..7f4a47c5 100644
--- a/projects/ngx-mask-lib/src/test/mask.pipe.spec.ts
+++ b/projects/ngx-mask-lib/src/test/mask.pipe.spec.ts
@@ -352,16 +352,14 @@ describe('Pipe: Mask', () => {
     });
 
     it('should show second pipe without suffix', () => {
-        const valueWithSuffix: string | number = maskPipe.transform('55555', '00 (000)', {
+        const valueWithSuffix: string | number = maskPipe.transform('55555 ', '00 (000)', {
             suffix: ' DDD',
         });
-        const valueWithPrefix: string | number = maskPipe.transform('55555', '00 (000)', {
+        const valueWithPrefix: string | number = maskPipe.transform('55555 ', '00 (000)', {
             prefix: 'DDD ',
         });
 
-        requestAnimationFrame(() => {
-            expect(valueWithSuffix).toEqual('55 (555) DDD');
-            expect(valueWithPrefix).toEqual('DDD 55 (555)');
-        });
+        expect(valueWithSuffix).toEqual('55 (555) DDD');
+        expect(valueWithPrefix).toEqual('DDD 55 (555)');
     });
 });