diff --git a/tests/lib/rules/comma-dangle.js b/tests/lib/rules/comma-dangle.js
index 9225b43419d..3a4f0aa735a 100644
--- a/tests/lib/rules/comma-dangle.js
+++ b/tests/lib/rules/comma-dangle.js
@@ -359,6 +359,16 @@ ruleTester.run("comma-dangle", rule, {
         },
 
         // trailing comma in functions
+        {
+            code: "function foo(a) {} ",
+            options: [{}],
+            parserOptions: { ecmaVersion: 8 }
+        },
+        {
+            code: "foo(a)",
+            options: [{}],
+            parserOptions: { ecmaVersion: 8 }
+        },
         {
             code: "function foo(a) {} ",
             options: [{ functions: "never" }],