[TESTS] Adding some tests cooc

test_parser_ngramextractor.ipynb

 {
  "metadata": {
   "name": "",
-  "signature": "sha256:195a9cc559b057dabbc3bdae9e34d6694fc3e0d4788ecfd055da1444d1875d5a"
+  "signature": "sha256:8c764ebc660400cc2f2dddafacfdb7082971d16cb2b75bac1470575d33428427"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -31,7 +31,7 @@
       "#    try:\n",
       "#        Language(iso2=lang.alpha2, iso3=lang.terminology, fullname=lang.name, implemented=1).save()\n",
       "#    except:\n",
-      "#        pass\n"
+      "#        pass"
      ],
      "language": "python",
      "metadata": {},
@@ -41,11 +41,22 @@
     {
      "cell_type": "code",
      "collapsed": false,
-     "input": [],
+     "input": [
+      "corpus = Node.objects.get(name=\"OneMoreLife PubMed\")\n",
+      "print(corpus.resource.all())"
+     ],
      "language": "python",
      "metadata": {},
-     "outputs": [],
-     "prompt_number": 20
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "[<Resource: PubMed => corpora/alexandre/test_pkqLVdy.zip>]\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
     },
     {
      "cell_type": "code",