diff --git a/tests/conftest.py b/tests/conftest.py
index e52683a..acb8c38 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,12 +1,15 @@
-# © 2018 Gerard Marull-Paretas <gerard@teslabs.com>
-# © 2014 Mark Harviston <mark.harviston@gmail.com>
-# © 2014 Arve Knudsen <arve.knudsen@gmail.com>
-# BSD License
+"""
+Copyright (c) 2018 Gerard Marull-Paretas <gerard@teslabs.com>
+Copyright (c) 2014 Mark Harviston <mark.harviston@gmail.com>
+Copyright (c) 2014 Arve Knudsen <arve.knudsen@gmail.com>
+
+BSD License
+"""
 
-import os
 import logging
-from pytest import fixture
+import os
 
+from pytest import fixture
 
 logging.basicConfig(
     level=logging.DEBUG, format="%(levelname)s\t%(filename)s:%(lineno)s %(message)s"
diff --git a/tests/test_qeventloop.py b/tests/test_qeventloop.py
index be4d216..5ca86d9 100644
--- a/tests/test_qeventloop.py
+++ b/tests/test_qeventloop.py
@@ -5,13 +5,13 @@
 
 import asyncio
 import ctypes
-import threading
 import logging
 import multiprocessing
 import os
 import socket
 import subprocess
 import sys
+import threading
 import time
 from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
 
@@ -809,6 +809,61 @@ async def mycoro():
     assert "seconds" in msg
 
 
+def test_run_until_complete_returns_future_result(loop):
+    async def coro():
+        await asyncio.sleep(0)
+        return 42
+
+    assert loop.run_until_complete(asyncio.wait_for(coro(), timeout=1)) == 42
+
+
+def test_run_forever_custom_exit_code(loop, application):
+    if hasattr(application, "exec"):
+        orig_exec = application.exec
+        application.exec = lambda: 42
+        try:
+            assert loop.run_forever() == 42
+        finally:
+            application.exec = orig_exec
+    else:
+        orig_exec = application.exec_
+        application.exec_ = lambda: 42
+        try:
+            assert loop.run_forever() == 42
+        finally:
+            application.exec_ = orig_exec
+
+
+def test_qeventloop_in_qthread():
+    class CoroutineExecutorThread(qasync.QtCore.QThread):
+        def __init__(self, coro):
+            super().__init__()
+            self.coro = coro
+            self.loop = None
+
+        def run(self):
+            self.loop = qasync.QEventLoop(self)
+            asyncio.set_event_loop(self.loop)
+            asyncio.run(self.coro)
+
+        def join(self):
+            self.loop.stop()
+            self.loop.close()
+            self.wait()
+
+    event = threading.Event()
+
+    async def coro():
+        await asyncio.sleep(0.1)
+        event.set()
+
+    thread = CoroutineExecutorThread(coro())
+    thread.start()
+
+    assert event.wait(timeout=1), "Coroutine did not execute successfully"
+
+    thread.join()  # Ensure thread cleanup
+
 def teardown_module(module):
     """
     Remove handlers from all loggers