Merge pull request #4925 from mscherer/fix_tests_if_ansible_installed

fix make tests to use the set of module from git checkout

Makefile

@@ -62,7 +62,7 @@ NOSETESTS := nosetests
 all: clean python
 
 tests:
-	PYTHONPATH=./lib $(NOSETESTS) -d -v
+	PYTHONPATH=./lib ANSIBLE_LIBRARY=./library  $(NOSETESTS) -d -v
 
 # To force a rebuild of the docs run 'touch VERSION && make docs'
 docs: $(MANPAGES) modulepages