TabsManager.py Added unit tests + documentation

tests/testclient/test_finds.py

@@ -74,8 +74,8 @@ def test_i_can_manage_notstr_success_path(ft, to_search, expected):
     (NotStr("hello my friend"), TestObject(NotStr, s="hello")),
 ])
 def test_test_i_can_manage_notstr_failure_path(ft, to_search):
-  with pytest.raises(AssertionError):
-    find(ft, to_search)
+  res = find(ft, to_search)
+  assert res == []
 
 
 @pytest.mark.parametrize('ft, expected', [
@@ -85,5 +85,4 @@ def test_test_i_can_manage_notstr_failure_path(ft, to_search):
     (Div(id="id2"), Div(id="id1")),
 ])
 def test_i_cannot_find(ft, expected):
-  with pytest.raises(AssertionError):
-    find(expected, ft)
+  assert find(expected, ft) == []