diff --git a/tests/integration/plugins/test_poetry.py b/tests/integration/plugins/test_poetry.py
index 454b00c5..fc3e8f0e 100644
--- a/tests/integration/plugins/test_poetry.py
+++ b/tests/integration/plugins/test_poetry.py
@@ -242,7 +242,12 @@ def _get_system_python_interpreter(self) -> str | None:
     actions = lf.plan(Step.PRIME)
 
     out = pathlib.Path("out.txt")
-    with out.open(mode="w") as outfile, err.open(mode="w") as errfile, pytest.raises(errors.PluginBuildError):
+    err = pathlib.Path("err.txt")
+    with (
+        out.open(mode="w") as outfile,
+        err.open(mode="w") as errfile,
+        pytest.raises(errors.PluginBuildError),
+    ):
         with lf.action_executor() as ctx:
             ctx.execute(actions, stdout=outfile, stderr=errfile)
 
@@ -255,12 +260,7 @@ def _get_system_python_interpreter(self) -> str | None:
     assert expected_text in output
 
     output = err.read_text()
-    expected_text = textwrap.dedent(
-        f"""\
-        No suitable Python interpreter found, giving up.
-        """
-    )
-    assert expected_text in output
+    assert "No suitable Python interpreter found, giving up." in output
 
 
 def test_find_payload_python_good_version(new_dir, partitions, parts_dict, poetry_part):
diff --git a/tests/integration/plugins/test_python.py b/tests/integration/plugins/test_python.py
index 690f6fd5..c50b09ee 100644
--- a/tests/integration/plugins/test_python.py
+++ b/tests/integration/plugins/test_python.py
@@ -323,7 +323,11 @@ def _get_system_python_interpreter(self) -> str | None:
 
     out = Path("out.txt")
     err = Path("err.txt")
-    with out.open(mode="w") as outfile, err.open(mode="w") as errfile, pytest.raises(errors.PluginBuildError):
+    with (
+        out.open(mode="w") as outfile,
+        err.open(mode="w") as errfile,
+        pytest.raises(errors.PluginBuildError),
+    ):
         with lf.action_executor() as ctx:
             ctx.execute(actions, stdout=outfile, stderr=errfile)
 
@@ -336,12 +340,7 @@ def _get_system_python_interpreter(self) -> str | None:
     assert expected_text in output
 
     output = err.read_text()
-    expected_text = textwrap.dedent(
-        f"""\
-        No suitable Python interpreter found, giving up.
-        """
-    )
-    assert expected_text in output
+    assert "No suitable Python interpreter found, giving up." in output
 
 
 def test_find_payload_python_good_version(new_dir, partitions):