diff --git a/tests/test_meta_repo_links.py b/tests/test_meta_repo_links.py
index 68c2c2b0e10e9778ca8446faf666e5f210613f35..fbaaf81c8bee1233f81b16c4ea1b2c9393b9e1f8 100644
--- a/tests/test_meta_repo_links.py
+++ b/tests/test_meta_repo_links.py
@@ -45,6 +45,12 @@ GOOD_LINKS = [Path(s) for s in [
 BAD_LINKS = [Path(s) for s in [
     'NonexistentDirectory/NonexistentFile1.txt',
     'NonexistentDirectory/NonexistentFile2.txt',
+    'egproto:',
+    'egproto:123',
+    'egproto:123/456',
+    'egproto:foo'
+    'egproto:/foo/bar',
+    ';egproto::',
 ]]
 
 NOT_FOUND_MSG = '{} not found in repository: {}'.format