diff --git a/tests/lib/rules/no-control-regex.js b/tests/lib/rules/no-control-regex.js
index 8fc3a946364..aece04d0e99 100644
--- a/tests/lib/rules/no-control-regex.js
+++ b/tests/lib/rules/no-control-regex.js
@@ -21,6 +21,7 @@ var ruleTester = new RuleTester();
 ruleTester.run("no-control-regex", rule, {
     valid: [
         "var regex = /x1f/",
+        "var regex =" + /\\x1f/,
         "var regex = new RegExp('x1f')",
         "var regex = RegExp('x1f')",
         "new RegExp('[')",
@@ -28,8 +29,8 @@ ruleTester.run("no-control-regex", rule, {
         "new (function foo(){})('\\x1f')"
     ],
     invalid: [
-        { code: "var regex = /\x1f/", errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] },
-        { code: "var regex = /\\\x1f/", errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] },
+        { code: "var regex = " + /\x1f/, errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] }, // eslint-disable-line no-control-regex
+        { code: "var regex = " + /\\\x1f/, errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] }, // eslint-disable-line no-control-regex
         { code: "var regex = new RegExp('\\x1f')", errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] },
         { code: "var regex = RegExp('\\x1f')", errors: [{ message: "Unexpected control character in regular expression.", type: "Literal"}] }
     ]