diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 4cc2f8b7ecd044666a255cec81174a862de4eb3b..99b8f058db40f49004dd3eecb0d957494bee6dd7 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -295,7 +295,7 @@ def parse_ktap_header(lines: LineStream, test: Test) -> bool:
 		check_version(version_num, TAP_VERSIONS, 'TAP', test)
 	else:
 		return False
-	test.log.append(lines.pop())
+	lines.pop()
 	return True
 
 TEST_HEADER = re.compile(r'^# Subtest: (.*)$')
@@ -318,8 +318,8 @@ def parse_test_header(lines: LineStream, test: Test) -> bool:
 	match = TEST_HEADER.match(lines.peek())
 	if not match:
 		return False
-	test.log.append(lines.pop())
 	test.name = match.group(1)
+	lines.pop()
 	return True
 
 TEST_PLAN = re.compile(r'1\.\.([0-9]+)')
@@ -345,9 +345,9 @@ def parse_test_plan(lines: LineStream, test: Test) -> bool:
 	if not match:
 		test.expected_count = None
 		return False
-	test.log.append(lines.pop())
 	expected_count = int(match.group(1))
 	test.expected_count = expected_count
+	lines.pop()
 	return True
 
 TEST_RESULT = re.compile(r'^(ok|not ok) ([0-9]+) (- )?([^#]*)( # .*)?$')
@@ -409,7 +409,7 @@ def parse_test_result(lines: LineStream, test: Test,
 	# Check if line matches test result line format
 	if not match:
 		return False
-	test.log.append(lines.pop())
+	lines.pop()
 
 	# Set name of test object
 	if skip_match:
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index d7f669cbf2a8bc6549e4157031fe80c4e98bf96c..1ef921ac4331a971e4637549f94d319194a54c30 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -84,6 +84,10 @@ class KUnitParserTest(unittest.TestCase):
 		self.print_mock = mock.patch('kunit_printer.Printer.print').start()
 		self.addCleanup(mock.patch.stopall)
 
+	def noPrintCallContains(self, substr: str):
+		for call in self.print_mock.mock_calls:
+			self.assertNotIn(substr, call.args[0])
+
 	def assertContains(self, needle: str, haystack: kunit_parser.LineStream):
 		# Clone the iterator so we can print the contents on failure.
 		copy, backup = itertools.tee(haystack)
@@ -327,6 +331,19 @@ class KUnitParserTest(unittest.TestCase):
 			result = kunit_parser.parse_run_tests(file.readlines())
 		self.print_mock.assert_any_call(StrContains('suite (1 subtest)'))
 
+	def test_show_test_output_on_failure(self):
+		output = """
+		KTAP version 1
+		1..1
+		  Test output.
+		not ok 1 test1
+		"""
+		result = kunit_parser.parse_run_tests(output.splitlines())
+		self.assertEqual(kunit_parser.TestStatus.FAILURE, result.status)
+
+		self.print_mock.assert_any_call(StrContains('Test output.'))
+		self.noPrintCallContains('not ok 1 test1')
+
 def line_stream_from_strs(strs: Iterable[str]) -> kunit_parser.LineStream:
 	return kunit_parser.LineStream(enumerate(strs, start=1))