fix: consistent tests across js-ipfs and go-ipfs progress

Author: dryajov

src/files.js

@@ -130,10 +130,10 @@ module.exports = (common) => {
           let progress = 0
           const handler = (p) => {
             progCount += 1
-            progress += p
+            progress = p
           }
 
-          ipfs.files.add(bigFile, {progress: handler}, (err, res) => {
+          ipfs.files.add(bigFile, { progress: handler }, (err, res) => {
             expect(err).to.not.exist()
             expect(res).to.have.length(1)
             const file = res[0]
@@ -242,14 +242,14 @@ module.exports = (common) => {
             progress += p
           }
 
-          ipfs.files.add(dirs, {progress: handler}, (err, res) => {
+          ipfs.files.add(dirs, { progress: handler }, (err, res) => {
             expect(err).to.not.exist()
             const root = res[res.length - 1]
 
             expect(root.path).to.equal('test-folder')
             expect(root.hash).to.equal(expectedRootMultihash)
             expect(progCount).to.equal(8)
-            expect(progress).to.equal(total)
+            expect(progress).to.be.at.least(total)
             done()
           })
         })