fix/help: test command no longer runs Jest in watch mode (#734)

- test command was changed to not run in watch mode, but help dialog was missed
  - this fixes/updates the help dialog to the current state of the command

similar change ref: a2e4b78

src/index.ts

@@ -482,7 +482,7 @@ function setAuthorName(author: string) {
 prog
   .command('test')
   .describe(
-    'Run jest test runner in watch mode. Passes through all flags directly to Jest'
+    'Run jest test runner. Passes through all flags directly to Jest'
   )
   .action(async (opts: { config?: string }) => {
     // Do this as the first thing so that any code reading it knows the right env.