diff --git a/odoo-stubs/tests/loader.pyi b/odoo-stubs/tests/loader.pyi
index 9297e17..215d3ea 100644
--- a/odoo-stubs/tests/loader.pyi
+++ b/odoo-stubs/tests/loader.pyi
@@ -1,9 +1,10 @@
-from typing import Any
+from typing import Iterator
 
-_logger: Any
+from .runner import OdooTestResult
+from ..tests import OdooSuite
 
-def get_test_modules(module): ...
-def _get_tests_modules(path, module): ...
-def make_suite(module_names, position: str = ...): ...
-def run_suite(suite, module_name: Any | None = ...): ...
-def unwrap_suite(test) -> None: ...
+def get_test_modules(module: str) -> list: ...
+def _get_tests_modules(path: str, module: str) -> list: ...
+def make_suite(module_names: list[str], position: str = ...) -> OdooSuite: ...
+def run_suite(suite: OdooSuite, module_name: str | None = ...) -> OdooTestResult: ...
+def unwrap_suite(test) -> Iterator: ...
diff --git a/odoo-stubs/tests/runner.pyi b/odoo-stubs/tests/runner.pyi
index 8436616..3348b51 100644
--- a/odoo-stubs/tests/runner.pyi
+++ b/odoo-stubs/tests/runner.pyi
@@ -1,16 +1,15 @@
 import unittest
 from typing import Any
 
-_logger: Any
-
 class OdooTestResult(unittest.result.TestResult):
-    time_start: Any
-    queries_start: Any
+    time_start: float | None
+    queries_start: int | None
     def __init__(self) -> None: ...
-    def __str__(self): ...
+    def __str__(self) -> str: ...
     shouldStop: Any
     def update(self, other) -> None: ...
-    def log(self, level, msg, *args, test: Any | None = ..., exc_info: Any | None = ..., extra: Any | None = ..., stack_info: bool = ..., caller_infos: Any | None = ...) -> None: ...
+    def log(self, level, msg, *args, test: Any | None = ..., exc_info: Any | None = ..., extra: Any | None = ...,
+            stack_info: bool = ..., caller_infos: Any | None = ...) -> None: ...
     def getDescription(self, test): ...
     def startTest(self, test) -> None: ...
     def addError(self, test, err) -> None: ...
diff --git a/odoo-stubs/tests/test_module_operations.pyi b/odoo-stubs/tests/test_module_operations.pyi
index bcae208..d1871d3 100644
--- a/odoo-stubs/tests/test_module_operations.pyi
+++ b/odoo-stubs/tests/test_module_operations.pyi
@@ -1,13 +1,12 @@
-from typing import Any
+from argparse import Namespace
 
-_logger: Any
-BLACKLIST: Any
-IGNORE: Any
+BLACKLIST: set[str]
+IGNORE: tuple[str, ...]
 
-def install(db_name, module_id, module_name) -> None: ...
-def uninstall(db_name, module_id, module_name) -> None: ...
-def cycle(db_name, module_id, module_name) -> None: ...
-def parse_args(): ...
-def test_full(args): ...
-def test_uninstall(args) -> None: ...
-def test_scripts(args) -> None: ...
+def install(db_name: str, module_id: int, module_name: str) -> None: ...
+def uninstall(db_name: str, module_id: int, module_name: str) -> None: ...
+def cycle(db_name: str, module_id: int, module_name: str) -> None: ...
+def parse_args() -> Namespace: ...
+def test_full(args: Namespace) -> None: ...
+def test_uninstall(args: Namespace) -> None: ...
+def test_scripts(args: Namespace) -> None: ...