Testing for pip version didn't cater for beta releases
@@ -31,7 +31,7 @@ def test_correct_pip_version(script):
# compare the directory tree of the invoked pip with that of this source
# distribution
pip_folder_outputed = re.match(
- r'pip \d+(\.[\d]+)+(\.?(rc|dev|pre|post)\d+)? from (.*) '
+ r'pip \d+(\.[\d]+)+(\.?(b|rc|dev|pre|post)\d+)? from (.*) '
r'\(python \d(.[\d])+\)$',
result.stdout
).group(4)
