chore: fix python unit tests

Author: blakeli0

hermetic_build/library_generation/tests/owlbot/java_unit_tests.py

@@ -27,6 +27,7 @@
 TEST_OWLBOT = Path(__file__).parent.parent / "resources" / "test-owlbot"
 FIXTURES = Path(__file__).parent.parent / "resources" / "test-owlbot" / "fixtures"
 TEMPLATES_PATH = Path(__file__).parent.parent.parent / "owlbot" / "templates"
+TEST_CURRENT_YEAR = 2025
 
 SAMPLE_METADATA = """
 <metadata>
@@ -172,7 +173,7 @@ def test_deprecate_method(self):
             )
             os.chdir(cwd)
 
-    @mock.patch(java.CURRENT_YEAR, 2025)
+    @mock.patch("java.CURRENT_YEAR", TEST_CURRENT_YEAR)
     def test_fix_proto_license(self):
         with tempfile.TemporaryDirectory() as tempdir:
             cwd = os.getcwd()
@@ -189,7 +190,7 @@ def test_fix_proto_license(self):
             )
             os.chdir(cwd)
 
-    @mock.patch(java.CURRENT_YEAR, 2025)
+    @mock.patch("java.CURRENT_YEAR", TEST_CURRENT_YEAR)
     def test_fix_proto_license_idempotent(self):
         with tempfile.TemporaryDirectory() as tempdir:
             cwd = os.getcwd()
@@ -208,7 +209,7 @@ def test_fix_proto_license_idempotent(self):
             )
             os.chdir(cwd)
 
-    @mock.patch(java.CURRENT_YEAR, 2025)
+    @mock.patch("java.CURRENT_YEAR", TEST_CURRENT_YEAR)
     def test_fix_grpc_license(self):
         with tempfile.TemporaryDirectory() as tempdir:
             cwd = os.getcwd()
@@ -225,7 +226,7 @@ def test_fix_grpc_license(self):
             )
             os.chdir(cwd)
 
-    @mock.patch(java.CURRENT_YEAR, 2025)
+    @mock.patch("java.CURRENT_YEAR", TEST_CURRENT_YEAR)
     def test_fix_grpc_license_idempotent(self):
         with tempfile.TemporaryDirectory() as tempdir:
             cwd = os.getcwd()