update nodejs in test apps

tests/apps/checks-root/package.json

@@ -5,8 +5,7 @@
     "express": "4.x"
   },
   "engines": {
-    "node": "0.12.x",
-    "npm": "2.x"
+    "node": "4.2.x"
   },
   "scripts": {
     "start": "node index.js"

tests/apps/config/package.json

@@ -5,7 +5,6 @@
     "express": "2.5.x"
   },
   "engines": {
-    "node": "0.10.x",
-    "npm": "2.7.x"
+    "node": "4.2.x"
   }
 }

tests/apps/dockerfile-noexpose/package.json

@@ -10,7 +10,7 @@
     "express": "^4.0.0"
   },
   "engines": {
-    "node": "0.10.x"
+    "node": "4.2.x"
   },
   "repository": {
     "type": "git",

tests/apps/dockerfile/package.json

@@ -10,7 +10,7 @@
     "express": "^4.0.0"
   },
   "engines": {
-    "node": "0.10.x"
+    "node": "4.2.x"
   },
   "repository": {
     "type": "git",

tests/apps/gitsubmodules/package.json

@@ -5,7 +5,6 @@
     "express": "~3.3.4"
   },
   "engines": {
-    "node": "0.10.x",
-    "npm": "2.7.x"
+    "node": "4.2.x"
   }
 }

tests/apps/multi/package.json

@@ -10,7 +10,7 @@
   },
   "description": "Test application for heroku multi buildpack.",
   "engines": {
-    "node": "~0.10.30"
+    "node": "4.2.x"
   },
   "license": "ISC",
   "name": "test-buildpack-multi",

tests/apps/nodejs-express-noprocfile/package.json

@@ -5,8 +5,7 @@
     "express": "2.5.x"
   },
   "engines": {
-    "node": "0.10.x",
-    "npm": "2.7.x"
+    "node": "4.2.x"
   },
   "scripts": {
     "start": "node web.js"

tests/apps/nodejs-express/package.json

@@ -5,7 +5,6 @@
     "express": "2.5.x"
   },
   "engines": {
-    "node": "0.10.x",
-    "npm": "2.7.x"
+    "node": "4.2.x"
   }
 }

tests/apps/nodejs-worker/package.json

@@ -2,7 +2,6 @@
   "name": "node-example",
   "version": "0.0.1",
   "engines": {
-    "node": "0.10.x",
-    "npm": "2.7.x"
+    "node": "4.2.x"
   }
 }