Fix devDependency

Author: jmdobry

package.json

@@ -62,7 +62,7 @@
     "coveralls": "2.11.6",
     "ink-docstrap": "1.1.2",
     "istanbul": "0.4.2",
-    "js-data-adapter-tests": "^2.0.0-alpha.6",
+    "js-data-adapter-tests": "^2.0.0-alpha.7",
     "jsdoc": "3.4.0",
     "mocha": "2.4.5",
     "rollup": "0.25.4",