diff --git a/test/.eslintrc.yaml b/test/.eslintrc.yaml
index 90bf5f6d88d4e5..8414b828137e5d 100644
--- a/test/.eslintrc.yaml
+++ b/test/.eslintrc.yaml
@@ -1,6 +1,11 @@
 ## Test-specific linter rules
 
 rules:
+  # ECMAScript 6
+  # http://eslint.org/docs/rules/#ecmascript-6
+  no-var: 2
+  prefer-const: 2
+
   ## common module is mandatory in tests
   required-modules: [2, common]
   prefer-assert-methods: 2