message: Fix error text inline function
diff: @@ -83,7 +83,7 @@ FUNCTIONS.mock = args => {
  const moduleFactory = args[1];
  invariant(
  moduleFactory.isFunction(),
  - 'The second argument of `jest.mock` must be a function.',
  + 'The second argument of `jest.mock` must be an inline function.',
  );
  const ids = new Set();
  