selftests: Use unittest2 when needed

Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

selftests/all/functional/avocado/argument_parsing_tests.py

 import os
 import sys
 import glob
-import unittest
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')

selftests/all/functional/avocado/basic_tests.py

 import json
-import unittest
 import os
 import shutil
 import time
@@ -7,6 +6,11 @@ import sys
 import tempfile
 import xml.dom.minidom
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')
 basedir = os.path.abspath(basedir)

selftests/all/functional/avocado/loader_tests.py

 import os
 import sys
-import unittest
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')

selftests/all/functional/avocado/multiplex_tests.py

 #!/usr/bin/env python
 
-import unittest
 import os
 import sys
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..',
                        '..', '..')

selftests/all/functional/avocado/output_check_tests.py

 import os
 import sys
-import unittest
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')

selftests/all/functional/avocado/output_tests.py

 import json
 import tempfile
-import unittest
 import os
 import sys
 import shutil
 from xml.dom import minidom
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')
 basedir = os.path.abspath(basedir)

selftests/all/functional/avocado/standalone_tests.py

-import unittest
 import os
 import sys
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')
 basedir = os.path.abspath(basedir)

selftests/all/functional/avocado/sysinfo_tests.py

 import os
 import sys
-import unittest
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')

selftests/all/functional/avocado/utils_tests.py

 import os
 import sys
-import unittest
 import time
 import tempfile
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..')
 basedir = os.path.abspath(basedir)

selftests/all/unit/avocado/multiplexer_unittest.py

-import unittest
 import itertools
+import sys
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 from avocado import multiplexer
 from avocado.core import tree

selftests/all/unit/avocado/settings_unittest.py

-import unittest
 import os
 import sys
 import tempfile
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 basedir = os.path.dirname(basedir)

selftests/all/unit/avocado/sysinfo_unittest.py

 import os
 import sys
-import unittest
 import tempfile
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 basedir = os.path.dirname(basedir)

selftests/all/unit/avocado/test_unittest.py

-import unittest
 import os
 import shutil
 import sys
 import tempfile
 
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
+
 # simple magic for using scripts within a source tree
 basedir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 basedir = os.path.dirname(basedir)

selftests/all/unit/avocado/tree_unittest.py

 import copy
-import unittest
+import sys
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 from avocado.core import tree
 

selftests/all/unit/avocado/utils_process_unittest.py

-import unittest
+import sys
+
+if sys.version_info[:2] == (2, 6):
+    import unittest2 as unittest
+else:
+    import unittest
 
 from avocado import runtime
 from avocado.utils import process