Fix bug with sibling check

Previously only checked siblings in one directions, now the test checks in both directions

Author: nyee

testing/databaseTest.py

@@ -295,7 +295,8 @@ def kinetics__checkSiblingsForParents(self, family_name):
                     if child1 is child2: continue
                     nose.tools.assert_false(family.matchNodeToChild(child1, child2),
                                             "In {0} group, node {1} is written as a sibling of {2}, when it is actually a parent.".format(group_name, child1, child2))
-
+                    nose.tools.assert_false(family.matchNodeToChild(child2, child1),
+                                            "In {0} group, node {1} is written as a sibling of {2}, when it is actually a parent.".format(group_name, child2, child1))
 
     def kinetics_checkAdjlistsNonidentical(self, database):
         """
@@ -406,6 +407,7 @@ def general_checkSiblingsForParents(self, group_name, group):
                     if child1 is child2: continue
                     nose.tools.assert_false(group.matchNodeToChild(child1, child2),
                                             "In {0} group, node {1} is written as a sibling of {2}, when it is actually a parent.".format(group_name, child1, child2))
-
+                    nose.tools.assert_false(group.matchNodeToChild(child2, child1),
+                                            "In {0} group, node {1} is written as a sibling of {2}, when it is actually a parent.".format(group_name, child2, child1))
 if __name__ == '__main__':
     nose.run(argv=[__file__, '-v', '--nologcapture'], defaultTest=__name__)