diff --git a/src/inline_snapshot/testing/_example.py b/src/inline_snapshot/testing/_example.py
index ba26efd2..1a747a77 100644
--- a/src/inline_snapshot/testing/_example.py
+++ b/src/inline_snapshot/testing/_example.py
@@ -258,7 +258,21 @@ def run_pytest(
                 assert result.returncode == returncode
 
             if stderr is not None:
-                assert result.stderr.decode() == stderr
+
+                original = result.stderr.decode().splitlines()
+                lines = [
+                    line
+                    for line in original
+                    if not any(
+                        s in line
+                        for s in [
+                            'No entry for terminal type "unknown"',
+                            "using dumb terminal settings.",
+                        ]
+                    )
+                ]
+
+                assert "\n".join(lines) == stderr
 
             if report is not None:
 
diff --git a/tests/conftest.py b/tests/conftest.py
index 796443bb..2e3a71c9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -235,6 +235,22 @@ def errors(self):
         result = re.sub(r"\d+\.\d+s", "<time>", result)
         return result
 
+    @property
+    def stderr(self):
+        original = self._result.stderr.lines
+        lines = [
+            line
+            for line in original
+            if not any(
+                s in line
+                for s in [
+                    'No entry for terminal type "unknown"',
+                    "using dumb terminal settings.",
+                ]
+            )
+        ]
+        return pytest.LineMatcher(lines)
+
     def errorLines(self):
         result = self._join_lines(
             [line for line in self.stdout.lines if line and line[:2] in ("> ", "E ")]
diff --git a/tests/test_pytest_plugin.py b/tests/test_pytest_plugin.py
index fff83b12..7160e729 100644
--- a/tests/test_pytest_plugin.py
+++ b/tests/test_pytest_plugin.py
@@ -718,12 +718,7 @@ def test_a():
         ["--inline-snapshot=creaigflen"],
         report=snapshot(""),
         returncode=snapshot(4),
-        stderr=snapshot(
-            """\
-ERROR: --inline-snapshot=creaigflen is a unknown flag
-
-"""
-        ),
+        stderr=snapshot("ERROR: --inline-snapshot=creaigflen is a unknown flag\n"),
     )
 
 
diff --git a/tests/test_xdist.py b/tests/test_xdist.py
index a1f2cfbe..c92b4026 100644
--- a/tests/test_xdist.py
+++ b/tests/test_xdist.py
@@ -49,23 +49,11 @@ def test_a():
 """
     )
 
-    def filter_error_lines(result):
-        lines = result.stderr.lines
-        return [
-            line
-            for line in lines
-            if line
-            not in (
-                'No entry for terminal type "unknown";',
-                "using dumb terminal settings.",
-            )
-        ]
-
     result = project.run("-n=auto", "--inline-snapshot=disable")
 
     assert result.report == snapshot("")
 
-    assert filter_error_lines(result) == snapshot([])
+    assert result.stderr.lines == snapshot([])
 
     assert result.ret == 1
 
@@ -73,7 +61,7 @@ def filter_error_lines(result):
 
     assert result.report == snapshot("")
 
-    assert filter_error_lines(result) == snapshot(
+    assert result.stderr.lines == snapshot(
         ["ERROR: --inline-snapshot=fix can not be combined with xdist", ""]
     )
 
@@ -92,6 +80,6 @@ def filter_error_lines(result):
         "INFO: inline-snapshot was disabled because you used xdist"
     )
 
-    assert filter_error_lines(result) == snapshot([])
+    assert result.stderr.lines == snapshot([])
 
     assert result.ret == 0