Barry Jaspan

I am working on some changes to VscodeFileSystem.ts. When running the tests, I'm seeing `rejected promise not handled within 1 second: NeedsInitialTalonUpdateError: Custom spoken forms file not found at /var/folders/g5/2jjc2rf56rg29d286ttd05_000fy9v/T/20ae72e7d885e78e1d632cfd8c725972/state.json....

From Google's internal Typescript conformance checks (I'll look to see if these are open-source somewhere): "When using async / await, it can be easy to forget to await a promise...