Use a list comprehension instead of generating an iterator

member checks, e.g. x in releases, consume the member in iterators so
subsequent member checks may fail if 'x' only appears once in the iterator

Author: brianhlin

osgtest/library/core.py

@@ -751,7 +751,7 @@ class TestFoo(osgunittest.OSGTestCase):
             def test_bar_34_only(self):
                 ...
     """
-    releases = map(str, releases)  # convert float args to str
+    releases = [str(x) for x in releases]  # convert float args to str
     def osg_release_decorator(fn):
         def run_fn_if_osg_release_ok(*args, **kwargs):
             if osg_release().version in releases: