message: doc: Update mock expectations
  These seem to be outdated.
diff: @@ -244,13 +244,13 @@ Finally, in order to make it less demanding to assert how mock functions have be
  ```javascript
  // The mock function was called at least once
  -expect(mockFunc).toBeCalled();
  +expect(mockFunc).toHaveBeenCalled();
  // The mock function was called at least once with the specified args
  -expect(mockFunc).toBeCalledWith(arg1, arg2);
  +expect(mockFunc).toHaveBeenCalledWith(arg1, arg2);
  // The last call to the mock function was called with the specified args
  -expect(mockFunc).lastCalledWith(arg1, arg2);
  +expect(mockFunc).toHaveBeenLastCalledWith(arg1, arg2);
  // All calls and the name of the mock is written as a snapshot
  expect(mockFunc).toMatchSnapshot();
  