[ios, macos] Fixed spurious offline storage test failure

Even if the expectation is immediately fulfilled, we still have to wait for it to be fulfilled, because the expectation only gets unregistered after waiting. The zombie expectation was fulfilling a stricter expectation in a test method.

1 files changed, 1 insertions, 0 deletions

diff --git a/platform/darwin/test/MGLOfflineStorageTests.m b/platform/darwin/test/MGLOfflineStorageTests.m
index cd13a9262e..07540b5645 100644
--- a/platform/darwin/test/MGLOfflineStorageTests.m
+++ b/platform/darwin/test/MGLOfflineStorageTests.m
@@ -19,6 +19,7 @@
         }];
         if ([MGLOfflineStorage sharedOfflineStorage].packs) {
             [expectation fulfill];
+            [self waitForExpectationsWithTimeout:0 handler:nil];
         } else {
             [self waitForExpectationsWithTimeout:2 handler:nil];
         }