Move test files directly under tests/ directory

tests/fixtures/Import/readability-read.json

@@ -0,0 +1,25 @@
+{
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+    {
+      "article__excerpt": "This is a guest post from Moritz Beller from the Delft University of Technology in The Netherlands. His team produced amazing research on several million Travis CI builds, creating invaluable…",
+      "favorite": false,
+      "date_archived": "2016-08-02T06:49:30",
+      "article__url": "https://blog.travis-ci.com/2016-07-28-what-we-learned-from-analyzing-2-million-travis-builds/",
+      "date_added": "2016-08-01T05:24:16",
+      "date_favorited": null,
+      "article__title": "Travis",
+      "archive": true
+    },
+    {
+      "article__excerpt": "The GraphQL Type system describes the capabilities of a GraphQL server and is used to determine if a query is valid. The type system also describes the input types of query variables to determine if…",
+      "favorite": false,
+      "date_archived": "2016-07-19T06:48:31",
+      "article__url": "https://facebook.github.io/graphql/October2016/",
+      "date_added": "2016-06-24T17:50:16",
+      "date_favorited": null,
+      "article__title": "GraphQL",
+      "archive": true
+    }
+  ],
+  "recommendations": []
+}