diff --git a/aio/content/guide/testing.md b/aio/content/guide/testing.md index da40b12dd2..0e7cd7e669 100644 --- a/aio/content/guide/testing.md +++ b/aio/content/guide/testing.md @@ -2398,7 +2398,7 @@ So when you call `createComponent()`, the `TestBed` compiles implicitly. That's not a problem when the source code is in memory. But the `BannerComponent` requires external files -that the compile must read from the file system, +that the compiler must read from the file system, an inherently _asynchronous_ operation. If the `TestBed` were allowed to continue, the tests would run and fail mysteriously