Fix type checking errors

Author: bangseongbeom

tests/test_lib.py

@@ -72,4 +72,5 @@ def test(entry):
                     continue
 
             else:
+                assert result
                 assert result[key] == entry["expected_match"][key]

urlpattern.pyi

@@ -28,7 +28,7 @@ class URLPattern:
     @property
     def hash(self) -> str: ...
 
-class URLPatternInit(TypedDict):
+class URLPatternInit(TypedDict, total=False):
     protocol: str
     username: str
     password: str