diff --git a/tests/lib/rules/jsx-no-target-blank.js b/tests/lib/rules/jsx-no-target-blank.js
index 2208e371dc..e43003db81 100644
--- a/tests/lib/rules/jsx-no-target-blank.js
+++ b/tests/lib/rules/jsx-no-target-blank.js
@@ -197,6 +197,11 @@ ruleTester.run('jsx-no-target-blank', rule, {
       output: '<a target="_blank" rel="no referrer noreferrer" href="https://example.com/7"></a>',
       errors: defaultErrors,
     },
+    {
+      code: '<a href="https://example.com/7a-run-on" target="_blank rel=noopener"></a>',
+      output: '<a target="_blank noopener" href="https://example.com/7a-run-on"></a>',
+      errors: [{ messageId: 'noTargetBlankIntendedIneffective' }],
+    },
     {
       code: '<a target="_BLANK" href="https://example.com/8"></a>',
       output: '<a target="_BLANK" href="https://example.com/8" rel="noreferrer"></a>',