refactor: fix lint rules and make consistent (#1)

Author: JustinBeckwith

.eslintrc.yml

@@ -1,3 +1,4 @@
 ---
 rules:
   no-console: off
+  node/no-missing-require: off

security-center/snippets/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "nodejs-security-center-samples",
+  "main": "quickstart.js",
+  "private": true,
+  "scripts": {
+    "test": "mocha system-test"
+  },
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@google-cloud/security-center": "^0.1.0"
+  },
+  "devDependencies": {
+    "mocha": "^5.2.0"
+  }
+}

security-center/snippets/system-test/.eslintrc.yml

@@ -1,5 +1,6 @@
 ---
+env:
+  mocha: true
 rules:
   node/no-unpublished-require: off
-  node/no-unsupported-features: off
   no-empty: off