Minor fix for importer adding @nottingham.ac.uk to empty emails.

Small test case for email fixer to make sure that emails are fixed correctly.

RIGS/importer_tests.py

@@ -0,0 +1,28 @@
+__author__ = 'ghost'
+
+import unittest
+from importer import fix_email
+
+
+class EmailFixerTest(unittest.TestCase):
+    def test_correct(self):
+        e = fix_email("tom@ghost.uk.net")
+        self.assertEqual(e, "tom@ghost.uk.net")
+
+    def test_partial(self):
+        e = fix_email("psytp")
+        self.assertEqual(e, "psytp@nottingham.ac.uk")
+
+    def test_none(self):
+        old = None
+        new = fix_email(old)
+        self.assertEqual(old, new)
+
+    def test_empty(self):
+        old = ""
+        new = fix_email(old)
+        self.assertEqual(old, new)
+
+
+if __name__ == '__main__':
+    unittest.main()