diff --git a/.gitignore b/.gitignore
index 11f57149..d7c53d50 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ tmp/
 .idea/
 vendor/
 .bundle
-out
\ No newline at end of file
+out
+.vscode/
diff --git a/.vscode/launch.json b/.vscode/launch.json
deleted file mode 100644
index 17bf1601..00000000
--- a/.vscode/launch.json
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-  // Use IntelliSense to learn about possible Node.js debug attributes.
-  // Hover to view descriptions of existing attributes.
-  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-  "version": "0.2.0",
-  "configurations": [
-    {
-      "name": "Run mocha",
-      "type": "node",
-      "request": "launch",
-      "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
-      "stopOnEntry": false,
-
-      "args": ["${file}", "--no-timeouts"],
-
-      "cwd": "${workspaceRoot}",
-      "runtimeExecutable": null,
-      "env": { "NODE_ENV": "testing"}
-  },
-    {
-      "type": "node",
-      "request": "launch",
-      "name": "Launch Program",
-      "program": "${workspaceRoot}/bin/repolinter.js",
-      "args":[
-        "lint",
-        "--git",
-        "https://github.com/todogroup/repolinter.git"
-      ]
-    }
-  ]
-}
diff --git a/index.js b/index.js
index b8aa9c0f..8af7c044 100644
--- a/index.js
+++ b/index.js
@@ -357,7 +357,6 @@ async function runRuleset (ruleset, targets, fileSystem, dryRun) {
   const allRules = await loadRules()
   // load the fixes
   const allFixes = await loadFixes()
-  // do the same with fixes
   // run the ruleset
   const results = ruleset.map(async r => {
     // check axioms and enable appropriately
diff --git a/tests/lib/command_exists_tests.js b/tests/lib/command_exists_tests.js
new file mode 100644
index 00000000..70d98ebc
--- /dev/null
+++ b/tests/lib/command_exists_tests.js
@@ -0,0 +1,35 @@
+// Copyright 2017 TODO Group. All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+const chai = require('chai')
+const expect = chai.expect
+const { commandExists } = require('../../lib/command_exists')
+
+describe('lib', () => {
+  describe('command_exists', function () {
+    it('should detect a command exists', async () => {
+      const res = await commandExists('ssh')
+      expect(res).to.equal('ssh')
+    })
+
+    it('should detect a command doesn\'t exists', async () => {
+      const res = await commandExists('notacommand')
+      expect(res).to.equal(null)
+    })
+
+    it('should detect one of the commands exist', async () => {
+      const res = await commandExists(['notacommand', 'ssh'])
+      expect(res).to.equal('ssh')
+    })
+
+    it('should detect none of the commands exist', async () => {
+      const res = await commandExists(['notacommand', 'alsonotacommand'])
+      expect(res).to.equal(null)
+    })
+
+    it('should detect the first command exists', async () => {
+      const res = await commandExists(['ssh', 'ln'])
+      expect(res).to.equal('ssh')
+    })
+  })
+})