Attempting to fix tests from github

I think it's related to the new steal EC

Author: BigAB

package.json

@@ -53,7 +53,10 @@
     "directories": {
       "lib": "src"
     },
-    "npmAlgorithm": "flat"
+    "npmAlgorithm": "flat",
+    "plugins": [
+      "steal-css"
+    ]
   },
   "dependencies": {},
   "devDependencies": {
@@ -68,7 +71,6 @@
     "steal": "^1.0.0-rc.11",
     "steal-css": "^1.0.0-rc.0",
     "steal-mocha": "^1.0.0-pre.2",
-    "steal-qunit": "^0.1.1",
     "steal-tools": "^1.0.0-rc.9",
     "testee": "^0.3.0-pre.2"
   }