chore: updated dependencies, fixed watchdog test for ExceptionGroups

pyproject.toml

@@ -15,8 +15,8 @@ exceptiongroup = "^1.2.0"
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.1.0"
 pytest-trio = ">=0.8.0"
-pytest-cov = "^4.1.0"
-coverage = { extras = ["toml"], version = "^7.2.7" }
+pytest-cov = "^5.0.0"
+coverage = { extras = ["toml"], version = "^7.4.0" }
 
 [[tool.poetry.source]]
 name = "PyPI"
@@ -47,5 +47,5 @@ lint.ignore = ["B905", "C901", "E402", "E501"]
 lint.select = ["B", "C", "E", "F", "W"]
 
 [build-system]
-requires = ["poetry>=0.12"]
-build-backend = "poetry.masonry.api"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"

test/test_watchdog.py

@@ -1,5 +1,7 @@
-from pytest import raises
+from contextlib import contextmanager
+
 from trio import current_time, open_nursery, sleep, TooSlowError
+from trio.testing import RaisesGroup, Matcher
 
 from flockwave.concurrency import use_watchdog
 from flockwave.concurrency.watchdog import Watchdog
@@ -12,16 +14,22 @@ async def test_watchdog_normal_operation(autojump_clock):
             watchdog.notify()
 
 
+@contextmanager
+def watchdog_expires():
+    with RaisesGroup(Matcher(TooSlowError, match="watchdog expired")):
+        yield
+
+
 async def test_watchdog_expiry(autojump_clock):
-    with raises(TooSlowError, match="watchdog expired"):
+    with watchdog_expires():
         async with use_watchdog(timeout=1) as watchdog:
             for i in range(10):
                 await sleep(i * 0.4)
                 watchdog.notify()
 
 
 async def test_watchdog_never_notified(autojump_clock):
-    with raises(TooSlowError, match="watchdog expired"):
+    with watchdog_expires():
         async with use_watchdog(timeout=1):
             for i in range(10):
                 await sleep(i * 0.4)
@@ -37,7 +45,7 @@ async def test_sync_start(autojump_clock):
 
 
 async def test_sync_start_expiry(autojump_clock):
-    with raises(TooSlowError, match="watchdog expired"):
+    with watchdog_expires():
         async with open_nursery() as nursery:
             with Watchdog(timeout=1).use_soon(nursery) as watchdog:
                 for i in range(10):