Test build with setup.py

Since some builds use `python ./setup.py test` to test beets we want to make
sure it runs smoothly.

.gitignore

@@ -30,4 +30,4 @@ beets.egg-info/*
 build/*
 docs/_build/*
 man
-
+*.egg

setup.py

@@ -88,6 +88,9 @@ setup(
         'responses',
         'pyechonest',
         'mock',
+        'flask',
+        'rarfile',
+        'pylast',
     ],
 
     # Plugin (optional) dependencies:

test/test_importfeeds.py

@@ -12,6 +12,8 @@ from beetsplug.importfeeds import album_imported, ImportFeedsPlugin
 class ImportfeedsTestTest(unittest.TestCase):
 
     def setUp(self):
+        config.clear()
+        config.read(user=False)
         self.importfeeds = ImportFeedsPlugin()
         self.lib = Library(':memory:')
         self.feeds_dir = tempfile.mkdtemp()

tox.ini

@@ -22,6 +22,8 @@ commands =
 deps =
     {[testenv]deps}
     unittest2
+commands =
+    python ./setup.py test {posargs}
 
 [testenv:py27]
 deps =