diff --git a/tools/check_skips.py b/tools/check_skips.py
index 0afad4f27..e669234ee 100644
--- a/tools/check_skips.py
+++ b/tools/check_skips.py
@@ -12,6 +12,8 @@ WINDOWS_PREFIX = "agc"
 
 def skips(path):
     for case in ET.parse(path).getroot().iter("testcase"):
+        if case.get("status") == "disabled":
+            raise ValueError(f"{path}: testcase {case.get('name')!r} is disabled and was not run")
         skipped = case.find("skipped")
         if skipped is None:
             continue
diff --git a/tools/tests/test_check_skips.py b/tools/tests/test_check_skips.py
index d8ba15c75..ce1b34296 100644
--- a/tools/tests/test_check_skips.py
+++ b/tools/tests/test_check_skips.py
@@ -34,6 +34,20 @@ OTHER = [
 
 
 class CheckSkipsTests(unittest.TestCase):
+    def test_disabled_tests_fail_in_both_jobs_including_agc(self):
+        xml = '<testsuite><testcase name="agc_disabled" status="disabled"/></testsuite>'
+        with tempfile.TemporaryDirectory() as directory:
+            junit = Path(directory) / "junit.xml"
+            junit.write_text(xml, encoding="utf-8")
+            for job in ("linux", "windows"):
+                with self.subTest(job=job):
+                    result = subprocess.run(
+                        [sys.executable, "-I", str(TOOL), str(junit), "--job", job],
+                        capture_output=True, text=True)
+                    self.assertNotEqual(result.returncode, 0)
+                    self.assertIn("agc_disabled", result.stderr)
+                    self.assertIn("disabled", result.stderr)
+
     def test_device_limitations_match(self):
         for message in LIMITATIONS:
             with self.subTest(message=message):
@@ -69,6 +83,17 @@ class SkipReportTests(unittest.TestCase):
             path.write_text(content, encoding="utf-8")
             return list(check_skips.skips(path))
 
+    def test_ctest_disabled_status_is_not_silently_ignored(self):
+        with self.assertRaisesRegex(ValueError, "disabled.*not run"):
+            self.skipped('<testsuite><testcase name="coverage" status="disabled"/></testsuite>')
+
+    def test_device_message_does_not_excuse_a_disabled_test(self):
+        with self.assertRaisesRegex(ValueError, "disabled.*not run"):
+            self.skipped('<testsuite><testcase name="gpu" status="disabled"><skipped message="no display"/></testcase></testsuite>')
+
+    def test_running_test_without_skipped_marker_is_not_a_skip(self):
+        self.assertEqual(self.skipped('<testsuite><testcase name="coverage" status="run"/></testsuite>'), [])
+
     def test_skip_message_preserves_the_device_reason(self):
         found = self.skipped('<testsuite><testcase name="gpu"><skipped message="the device has no required extension"/></testcase></testsuite>')
         self.assertEqual(len(found), 1)