oeqa/selftest: rename git.py to intercept.py

By naming this test class git.py, any attempt to import GitPython (as
needed by oelib.buildhistory) failed.

As this class exercises the intercepts, rename it to intercept.py.

(From OE-Core rev: d557cbbf86767bc2ebf2beb3d70af3b3ca5e0529)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/selftest/cases/oelib/buildhistory.py

@@ -3,6 +3,7 @@
 #
 
 import os
+import sys
 from oeqa.selftest.case import OESelftestTestCase
 import tempfile
 import operator
@@ -11,15 +12,14 @@ from oeqa.utils.commands import get_bb_var
 class TestBlobParsing(OESelftestTestCase):
 
     def setUp(self):
-        import time
         self.repo_path = tempfile.mkdtemp(prefix='selftest-buildhistory',
             dir=get_bb_var('TOPDIR'))
 
         try:
             from git import Repo
             self.repo = Repo.init(self.repo_path)
-        except ImportError:
-            self.skipTest('Python module GitPython is not present')
+        except ImportError as e:
+            self.skipTest('Python module GitPython is not present (%s)  (%s)' % (e, sys.path))
 
         self.test_file = "test"
         self.var_map = {}