fix: tests using files

Author: vasco-santos

test/files.js

@@ -196,7 +196,7 @@ describe('files', function () {
 
   describe('has the same hashes for', () => {
     const testHashesAreEqual = (daemon, data, options) => {
-      return daemon.api.files.add(data, options)
+      return daemon.api.add(data, options)
         .then(files => files[0].hash)
     }
 

test/utils/circuit.js

@@ -98,8 +98,8 @@ exports.createGoNode = (addrs, callback) => {
 const data = crypto.randomBytes(128)
 exports.send = (nodeA, nodeB, callback) => {
   waterfall([
-    (cb) => nodeA.files.add(data, cb),
-    (res, cb) => nodeB.files.cat(res[0].hash, cb),
+    (cb) => nodeA.add(data, cb),
+    (res, cb) => nodeB.cat(res[0].hash, cb),
     (buffer, cb) => {
       expect(buffer).to.deep.equal(data)
       cb()