Use "multidep" to install "babel-core"

.gitignore

@@ -7,6 +7,7 @@
 # dependencies
 /node_modules
 /bower_components
+/node-tests/multidep_modules
 
 # misc
 /.sass-cache

node-tests/multidep.json

@@ -0,0 +1,6 @@
+{
+  "path": "node-tests/multidep_modules",
+  "versions": {
+    "babel-core": ["5.8.33"]
+  }
+}

node-tests/strip-data-test-properties-plugin-test.js

@@ -1,17 +1,18 @@
 var fs = require('fs');
 var assert = require('assert');
+var multidepRequire = require('multidep')('node-tests/multidep.json');
 
-var babel = require('babel-core');
-var StripDataTestPropertiesPlugin = require('../strip-data-test-properties-plugin');
+var babel5 = multidepRequire('babel-core', '5.8.33');
+var StripDataTestPropertiesPlugin5 = require('../strip-data-test-properties-plugin');
 
 function testFixture(name) {
   it('fixture: ' + name, function() {
     var fixturePath = __dirname + '/fixtures/' + name + '/fixture.js';
     var expectedPath = __dirname + '/fixtures/' + name + '/expected.js';
 
     var expected = fs.readFileSync(expectedPath).toString();
-    var result = babel.transformFileSync(fixturePath, {
-      plugins: [StripDataTestPropertiesPlugin],
+    var result = babel5.transformFileSync(fixturePath, {
+      plugins: [StripDataTestPropertiesPlugin5],
     });
 
     assert.strictEqual(result.code.trim(), expected.trim());

package.json

@@ -19,6 +19,7 @@
     "test": "npm run test:keep && npm run test:strip",
     "test:all": "ember try:each",
     "test:keep": "ember test",
+    "pretest:node": "multidep node-tests/multidep.json",
     "test:node": "mocha node-tests",
     "test:strip": "STRIP_TEST_SELECTORS=true ember test"
   },
@@ -48,7 +49,8 @@
     "eslint-plugin-ember": "^3.0.1",
     "eslint-plugin-qunit": "^2.3.0",
     "loader.js": "^4.0.10",
-    "mocha": "^3.2.0"
+    "mocha": "^3.2.0",
+    "multidep": "^2.0.2"
   },
   "engines": {
     "node": ">= 4"