chore: do a little lint cleanup (#53)

Author: JustinBeckwith

asset/snippets/system-test/.eslintrc.yml

@@ -1,5 +1,3 @@
 ---
-rules:
-  node/no-unpublished-require: off
-  node/no-unsupported-features: off
-  no-empty: off
+env:
+  mocha: true