Code review comment for lp://qastaging/~vthompson/ubuntu-weather-app/fix-1452486-pull-refresh

This fails for me, and some inline comments.

Traceback (most recent call last):
  File "/tmp/fix-1452486-pull-refresh/tests/autopilot/ubuntu_weather_app/tests/test_home_page.py", line 61, in test_pull_to_refresh
    self.assertThat(home_page.refreshing(), Eventually(Equals(True)))
  File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 423, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: After 10.0 seconds test on PullToRefresh.refreshing failed: True != dbus.Boolean(False, variant_level=1)

Ran 1 test in 17.798s
FAILED (failures=1)