diff --git a/certbot-ci/certbot_integration_tests/certbot_tests/__init__.py b/certbot-ci/certbot_integration_tests/certbot_tests/__init__.py
index e69de29bb..60c2fcdd8 100644
--- a/certbot-ci/certbot_integration_tests/certbot_tests/__init__.py
+++ b/certbot-ci/certbot_integration_tests/certbot_tests/__init__.py
@@ -0,0 +1,5 @@
+import pytest
+
+# Custom assertions defined in the following package need to be registered to be properly
+# displayed in a pytest report when they are failing.
+pytest.register_assert_rewrite('certbot_integration_tests.certbot_tests.assertions')
diff --git a/certbot-ci/certbot_integration_tests/certbot_tests/assertions.py b/certbot-ci/certbot_integration_tests/certbot_tests/assertions.py
index 6e085838a..e53221c0d 100644
--- a/certbot-ci/certbot_integration_tests/certbot_tests/assertions.py
+++ b/certbot-ci/certbot_integration_tests/certbot_tests/assertions.py
@@ -12,8 +12,7 @@ def assert_hook_execution(probe_path, probe_content):
     with open(probe_path, 'r') as file:
         lines = file.readlines()
 
-    # Comparing pattern to each line avoids to match "pre" for a line with "pre-override"
-    assert [line for line in lines if line == '{0}{1}'.format(probe_content, os.linesep)]
+    assert '{0}{1}'.format(probe_content, os.linesep) in lines
 
 
 def assert_save_renew_hook(config_dir, lineage):
diff --git a/certbot-ci/certbot_integration_tests/certbot_tests/conftest.py b/certbot-ci/certbot_integration_tests/certbot_tests/conftest.py
deleted file mode 100644
index 60c2fcdd8..000000000
--- a/certbot-ci/certbot_integration_tests/certbot_tests/conftest.py
+++ /dev/null
@@ -1,5 +0,0 @@
-import pytest
-
-# Custom assertions defined in the following package need to be registered to be properly
-# displayed in a pytest report when they are failing.
-pytest.register_assert_rewrite('certbot_integration_tests.certbot_tests.assertions')