fix volume test

src/mounts.js

@@ -9,6 +9,7 @@ exports = module.exports = {
 
 const assert = require('assert'),
     BoxError = require('./boxerror.js'),
+    constants = require('./constants.js'),
     ejs = require('ejs'),
     fs = require('fs'),
     path = require('path'),
@@ -48,6 +49,8 @@ function validateMountOptions(type, options) {
 async function writeMountFile(volume) {
     assert.strictEqual(typeof volume, 'object');
 
+    if (constants.TEST) return;
+
     const {name, hostPath, mountType, mountOptions} = volume;
 
     let options, what, type;
@@ -80,6 +83,8 @@ async function writeMountFile(volume) {
 async function removeMountFile(hostPath) {
     assert.strictEqual(typeof hostPath, 'string');
 
+    if (constants.TEST) return;
+
     await safe(shell.promises.sudo('generateMountFile', [ RM_MOUNT_CMD, hostPath ], {})); // ignore any error
 }