Remove pytest-catchlog from dependences.

setup.py

@@ -92,8 +92,7 @@ def _get_readme():
                         ],
       extras_require={
           'tests': [
-                'pytest>=3.0.0,<4.0',
-                'pytest-catchlog>=1.2.2,<2.0',
+                'pytest>=3.3.0,<4.0',
                 'pytest-cov>2.0,<3.0',
                 'pytest-xdist>=1.14,<2.0',
                 'pycodestyle>=2.3.1',

tests/unit/rest.py

@@ -25,11 +25,6 @@
 fail_on_log_warnings = pytest.fixture(autouse=True)(fail_on_log_warnings)
 
 
-# This will get pulled in automaticaly, but if we declare it we'll get
-# better error messages if something goes wrong:
-pytest_plugins = 'pytest_catchlog'
-
-
 @pytest.fixture(autouse=True)
 def configure():
     """Set up the HIL config."""