diff --git a/test/conftest.py b/test/conftest.py
index 1d69a66..56cda49 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -23,6 +23,7 @@ from packaging.version import Version
 from requests import Response
 from urllib3.util.connection import HAS_IPV6
 
+
 logging.basicConfig(level=logging.INFO)
 logging.getLogger('backoff').setLevel(logging.INFO)
 logging.getLogger('DNS').setLevel(logging.DEBUG)
@@ -403,6 +404,7 @@ def docker_compose_files(request: FixtureRequest) -> List[str]:
     logging.debug(f"using docker compose files {compose_files}")
     return compose_files
 
+
 def connect_to_network(network: Network) -> Optional[Network]:
     """
     If we are running from a container, connect our container to the given network
@@ -507,14 +509,14 @@ class DockerComposer(contextlib.AbstractContextManager):
 
 
 @pytest.fixture(scope="module")
-def docker_composer() ->  Iterator[DockerComposer]:
+def docker_composer() -> Iterator[DockerComposer]:
     with DockerComposer() as d:
         yield d
 
 
 @pytest.fixture
-def ca_root_certificate() -> Iterator[str]:
-    yield CA_ROOT_CERTIFICATE
+def ca_root_certificate() -> str:
+    return CA_ROOT_CERTIFICATE.as_posix()
 
 
 @pytest.fixture
@@ -569,11 +571,11 @@ def nginxproxy() -> Iterator[RequestsForDocker]:
 
 
 @pytest.fixture
-def acme_challenge_path() -> Iterator[str]:
+def acme_challenge_path() -> str:
     """
     Provides fake Let's Encrypt ACME challenge path used in certain tests
     """
-    yield ".well-known/acme-challenge/test-filename"
+    return ".well-known/acme-challenge/test-filename"
 
 ###############################################################################
 #
diff --git a/test/test_fallback/test_fallback.py b/test/test_fallback/test_fallback.py
index c3cdd01..0375a2d 100644
--- a/test/test_fallback/test_fallback.py
+++ b/test/test_fallback/test_fallback.py
@@ -1,10 +1,11 @@
 import pathlib
 import re
-from typing import List
+from typing import List, Callable
 
 import backoff
 import pytest
 import requests
+from requests import Response
 
 
 @pytest.fixture
@@ -17,21 +18,15 @@ def docker_compose_files(compose_file) -> List[str]:
 
 
 @pytest.fixture
-def docker_compose_file(data_dir, compose_file):
-    return os.path.join(data_dir, compose_file)
-
-
-@pytest.fixture
-def get(docker_compose, nginxproxy, want_err_re):
-
+def get(docker_compose, nginxproxy, want_err_re: re.Pattern[str]) -> Callable[[str], Response]:
     @backoff.on_exception(
         backoff.constant,
         requests.exceptions.SSLError,
-        giveup=lambda e: want_err_re and want_err_re.search(str(e)),
+        giveup=lambda e: want_err_re and bool(want_err_re.search(str(e))),
         interval=.3,
         max_tries=30,
         jitter=None)
-    def _get(url):
+    def _get(url) -> Response:
         return nginxproxy.get(url, allow_redirects=False)
 
     return _get