fix: only skip if it is go-ipfs

Currently those tests are only failing on Windows, but currently
there's no good way to check the platform. Hence skipping whenver
go-ipfs is used.

Author: daviddias

js/src/pubsub.js

@@ -67,6 +67,7 @@ module.exports = (common) => {
     let ipfs1
     let ipfs2
     let ipfs3
+    let withGo
 
     before(function (done) {
       // CI takes longer to instantiate the daemon, so we need to increase the
@@ -90,7 +91,12 @@ module.exports = (common) => {
           ipfs1 = nodes[0]
           ipfs2 = nodes[1]
           ipfs3 = nodes[2]
-          done()
+
+          ipfs1.id((err, id) => {
+            expect(err).to.not.exist()
+            withGo = id.agentVersion.startsWith('go-ipfs')
+            done()
+          })
         })
       })
     })
@@ -497,7 +503,13 @@ module.exports = (common) => {
           })
         })
 
-        it('receive multiple messages', (done) => {
+        it('receive multiple messages', function (done) {
+          // TODO fix https://github.com/ipfs/interface-ipfs-core/pull/188#issuecomment-354673246
+          // and https://github.com/ipfs/go-ipfs/issues/4778
+          if (withGo) {
+            this.skip()
+          }
+
           const inbox1 = []
           const inbox2 = []
           const outbox = ['hello', 'world', 'this', 'is', 'pubsub']
@@ -566,16 +578,22 @@ module.exports = (common) => {
           let sub1
           let sub2
 
-          before(() => {
+          beforeEach(function () {
+            // TODO fix https://github.com/ipfs/interface-ipfs-core/pull/188#issuecomment-354673246
+            // and https://github.com/ipfs/go-ipfs/issues/4778
+            if (withGo) {
+              this.skip()
+            }
+
             topic = getTopic()
           })
 
-          after(() => {
+          afterEach(() => {
               ipfs1.pubsub.unsubscribe(topic, sub1)
               ipfs2.pubsub.unsubscribe(topic, sub2)
           })
 
-          it.skip('send/receive 10k messages', function (done) {
+          it('send/receive 10k messages', function (done) {
             this.timeout(2 * 60 * 1000)
 
             const msgBase = 'msg - '