FileSystemChangeObserver emits an event when a project file is modified, created, or deleted #1743

AssertionError: async(30000ms): assert.isTrue(changeSpy.called): expected false to be true
    at D:/a/1/s/test/models/file-system-change-observer.test.js:34:5
    at checker (D:\a\1\s\node_modules\test-until\index.js:43:23)