tests: Select the group to use based on the release

Use c-development on fedora and development on RHEL

Related: rhbz#1678937

tests/lib.py

@@ -42,3 +42,9 @@ def get_file_magic(filename):
     finally:
         ms.close()
     return details
+
+def this_is_rhel():
+    """Check to see if the tests are running on RHEL
+    """
+    release = open("/etc/system-release", "r").read()
+    return "Red Hat Enterprise Linux" in release

tests/pylorax/test_projects.py

@@ -22,6 +22,7 @@ import tempfile
 import time
 import unittest
 
+from ..lib import this_is_rhel
 from pylorax.sysutils import joinpaths
 from pylorax.api.config import configure, make_dnf_dirs
 from pylorax.api.projects import api_time, api_changelog, pkg_to_project, pkg_to_project_info, pkg_to_dep
@@ -196,7 +197,11 @@ class ProjectsTest(unittest.TestCase):
         self.assertEqual(modules[0]["dependencies"][0]["name"], "basesystem")
 
     def test_groups_depsolve(self):
-        deps = projects_depsolve(self.dbo, [], ["c-development"])
+        if this_is_rhel():
+            group_names = ["development"]
+        else:
+            group_names = ["c-development"]
+        deps = projects_depsolve(self.dbo, [], group_names)
         names = [grp["name"] for grp in deps]
         self.assertTrue("autoconf" in names)            # mandatory package
         self.assertTrue("ctags" in names)               # default package