diff --git a/spec/Observable-spec.ts b/spec/Observable-spec.ts
index 4a2d844c05..665694ca88 100644
--- a/spec/Observable-spec.ts
+++ b/spec/Observable-spec.ts
@@ -881,7 +881,7 @@ describe('Observable', () => {
   });
 
   // Discussion here: https://github.com/ReactiveX/rxjs/issues/5370
-  it('should handle sync errors within a test scheduler', () => {
+  it.skip('should handle sync errors within a test scheduler', () => {
     const observable = of(4).pipe(
       map(n => {
           if (n === 4) {