fixup! docs

Author: jsjoeio

docs/CONTRIBUTING.md

@@ -143,7 +143,7 @@ Our unit tests are written in TypeScript and run using
 
 These live under [test/unit](../test/unit).
 
-We use unit tests for functions and things that can be tested in isolation.
+We use unit tests for functions and things that can be tested in isolation. The file structure is modeled closely after `/src` so it's easy for people to know where test files should live.
 
 ### Integration tests
 

test/unit/node/util.test.ts

@@ -1,9 +1,9 @@
 import * as cp from "child_process"
-import * as path from "path"
 import { promises as fs } from "fs"
+import * as path from "path"
 import { generateUuid } from "../../../src/common/util"
-import * as util from "../../../src/node/util"
 import { tmpdir } from "../../../src/node/constants"
+import * as util from "../../../src/node/util"
 
 describe("getEnvPaths", () => {
   describe("on darwin", () => {