diff --git a/tests/test_problems.py b/tests/test_problems.py
index 3aeae81..7af63b2 100644
--- a/tests/test_problems.py
+++ b/tests/test_problems.py
@@ -25,9 +25,6 @@ def _get_problems(inbound, outbound):
 def test_problems_no():
     assert len(_get_problems('MIT', 'GPL-2.0-only')) == 0
 
-def test_problems_uknonwn():
-    assert len(_get_problems('HPND', 'GPL-2.0-only')) == 1
-
 def test_problems_undefined():
     assert len(_get_problems('NONESUCH', 'GPL-2.0-only')) == 1
 
diff --git a/tests/test_simplified.py b/tests/test_simplified.py
index 726ecd4..8ee5966 100644
--- a/tests/test_simplified.py
+++ b/tests/test_simplified.py
@@ -22,7 +22,7 @@ def test_simplify():
     _test_expression(['MIT and MIT or BSD3'], '{"original": "MIT and MIT or BSD3", "simplified": "BSD-3-Clause OR MIT"}')
     _test_expression(['GPL-2.0-only'], '{"original": "GPL-2.0-only", "simplified": "GPL-2.0-only"}')
     _test_expression(['GPL-2.0-or-later'], '{"original": "GPL-2.0-or-later", "simplified": "GPL-2.0-only OR GPL-3.0-only"}')
-    _test_expression(['GPL-2.0-or-later and MIT'], '{"original": "GPL-2.0-or-later and MIT", "simplified": "MIT AND (GPL-2.0-only OR GPL-3.0-only)"}')
+    _test_expression(['GPL-2.0-or-later and MIT'], '{"original": "GPL-2.0-or-later and MIT", "simplified": "(GPL-2.0-only AND MIT) OR (GPL-3.0-only AND MIT)"}')
     _test_expression(['MIT and GPL-2.0-only WITH Classpath-exception-2.0 and MIT'], '{"original": "MIT and GPL-2.0-only WITH Classpath-exception-2.0 and MIT", "simplified": "GPL-2.0-only WITH Classpath-exception-2.0 AND MIT"}')