diff --git a/karma.conf.js b/karma.conf.js
index 07cb4fce..50ef8cb0 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -46,6 +46,7 @@ module.exports = function (config) {
     autoWatch: false,
     browsers: process.env.TRAVIS ? ['Firefox'] : ['Chrome'],
     captureTimeout: 60000,
+    browserNoActivityTimeout: 20000,
     singleRun: true
   })
 }
diff --git a/tests/browser.js b/tests/browser.js
index 62d81f1f..5b679170 100644
--- a/tests/browser.js
+++ b/tests/browser.js
@@ -4,12 +4,20 @@ const expect = require('chai').expect
 // const async = require('async')
 
 const multiaddr = require('multiaddr')
-// const Id = require('peer-id')
+const PeerId = require('peer-id')
 const Peer = require('peer-info')
 const Swarm = require('../src')
 const WebSockets = require('libp2p-websockets')
 const bl = require('bl')
 
+const PEER_ID_SERVER_A = 'QmWg2L4Fucx1x4KXJTfKHGixBJvveubzcd7DdhB2Mqwfh1'
+const PEER_ID_SERVER_B = 'QmRy1iU6BHmG5Hd8rnPhPL98cy1W1przUSTAMcGDq9yAAV'
+const MULTIADDR_SERVER_A = '/ip4/127.0.0.1/tcp/9888/websockets'
+const MULTIADDR_SERVER_B = '/ip4/127.0.0.1/tcp/9999/websockets'
+
+// random id to be used on the tests
+const PEER_ID_A = 'QmYzgdesgjdvD3okTPGZT9NPmh1BuH5FfTVNKjsvaAprhb'
+
 describe('basics', () => {
   it('throws on missing peerInfo', (done) => {
     expect(Swarm).to.throw(Error)
@@ -20,24 +28,24 @@ describe('basics', () => {
 describe('transport - websockets', function () {
   this.timeout(10000)
 
-  var swarmB
-  var peerB = new Peer()
+  var swarm
+  var peerId = PeerId.createFromB58String(PEER_ID_A)
+  var peer = new Peer(peerId)
 
   before((done) => {
-    peerB.multiaddr.add(multiaddr('/ip4/127.0.0.1/tcp/9999/websockets'))
-    swarmB = new Swarm(peerB)
+    swarm = new Swarm(peer)
     done()
   })
 
   it('add', (done) => {
-    swarmB.transport.add('ws', new WebSockets(), () => {
-      expect(Object.keys(swarmB.transports).length).to.equal(1)
+    swarm.transport.add('ws', new WebSockets(), () => {
+      expect(Object.keys(swarm.transports).length).to.equal(1)
       done()
     })
   })
 
   it('dial', (done) => {
-    const conn = swarmB.transport.dial('ws', multiaddr('/ip4/127.0.0.1/tcp/9888/websockets'), (err, conn) => {
+    const conn = swarm.transport.dial('ws', multiaddr(MULTIADDR_SERVER_A), (err, conn) => {
       expect(err).to.not.exist
     })
     conn.pipe(bl((err, data) => {
@@ -49,3 +57,77 @@ describe('transport - websockets', function () {
     conn.end()
   })
 })
+
+describe('high level API - 1st without stream multiplexing (on websockets)', function () {
+  this.timeout(10000)
+
+  var swarm
+  var peerSelf
+  var peerServerA
+  var peerServerB
+
+  before((done) => {
+    const peerServerAId = PeerId.createFromB58String(PEER_ID_SERVER_A)
+    peerServerA = new Peer(peerServerAId)
+    const peerServerBId = PeerId.createFromB58String(PEER_ID_SERVER_B)
+    peerServerB = new Peer(peerServerBId)
+    const peerSelfId = PeerId.createFromB58String(PEER_ID_A)
+    peerSelf = new Peer(peerSelfId)
+
+    peerServerA.multiaddr.add(multiaddr(MULTIADDR_SERVER_A))
+    peerServerB.multiaddr.add(multiaddr(MULTIADDR_SERVER_B))
+
+    swarm = new Swarm(peerSelf)
+
+    swarm.transport.add('ws', new WebSockets())
+    expect(Object.keys(swarm.transports).length).to.equal(1)
+    done()
+  })
+
+  // after((done) => {
+  //   swarm.close(done)
+  // })
+
+  it('dial using transport interface', (done) => {
+    const conn = swarm.transport.dial('ws', peerServerA.multiaddrs, (err, conn) => {
+      expect(err).to.not.exist
+    })
+
+    conn.pipe(bl((err, data) => {
+      expect(err).to.not.exist
+      expect(data.toString()).to.equal('hey')
+      done()
+    }))
+    conn.write('hey')
+    conn.end()
+  })
+
+  it('dial on protocol', (done) => {
+    swarm.dial(peerServerB, '/pineapple/1.0.0', (err, conn) => {
+      expect(err).to.not.exist
+      conn.pipe(bl((err, data) => {
+        expect(err).to.not.exist
+        expect(data.toString()).to.equal('yo')
+        done()
+      }))
+      conn.write('yo')
+      conn.end()
+    })
+  })
+
+  it('dial to warm a conn', (done) => {
+    swarm.dial(peerServerB, (err) => {
+      expect(err).to.not.exist
+      done()
+    })
+  })
+
+  it('dial on protocol, reuse warmed conn', (done) => {
+    swarm.dial(peerServerB, '/pineapple/1.0.0', (err, conn) => {
+      expect(err).to.not.exist
+      conn.end()
+      conn.on('data', () => {}) // let it flow.. let it flooooow
+      conn.on('end', done)
+    })
+  })
+})
diff --git a/tests/karma.js b/tests/karma.js
index d41ea25e..b86a2f81 100644
--- a/tests/karma.js
+++ b/tests/karma.js
@@ -2,25 +2,58 @@ const Server = require('karma').Server
 const path = require('path')
 
 const Peer = require('peer-info')
+const PeerId = require('peer-id')
 const WebSockets = require('libp2p-websockets')
 const Swarm = require('../src')
 const multiaddr = require('multiaddr')
 
+const PEER_ID_SERVER_A = 'QmWg2L4Fucx1x4KXJTfKHGixBJvveubzcd7DdhB2Mqwfh1'
+const PEER_ID_SERVER_B = 'QmRy1iU6BHmG5Hd8rnPhPL98cy1W1przUSTAMcGDq9yAAV'
+const MULTIADDR_SERVER_A = '/ip4/127.0.0.1/tcp/9888/websockets'
+const MULTIADDR_SERVER_B = '/ip4/127.0.0.1/tcp/9999/websockets'
+
 var swarmA
 var peerA
+var swarmB
+var peerB
 
-function createServer (done) {
-  peerA = new Peer()
-  peerA.multiaddr.add(multiaddr('/ip4/127.0.0.1/tcp/9888/websockets'))
-  swarmA = new Swarm(peerA)
-  swarmA.transport.add('ws', new WebSockets())
-  swarmA.transport.listen('ws', {}, (conn) => {
-    conn.pipe(conn)
-  }, done)
+function createServers (done) {
+  function createServerA (cb) {
+    const id = PeerId.createFromB58String(PEER_ID_SERVER_A)
+    peerA = new Peer(id)
+    peerA.multiaddr.add(multiaddr(MULTIADDR_SERVER_A))
+    swarmA = new Swarm(peerA)
+    swarmA.transport.add('ws', new WebSockets())
+    swarmA.transport.listen('ws', {}, (conn) => {
+      conn.pipe(conn)
+    }, cb)
+  }
+
+  function createServerB (cb) {
+    const id = PeerId.createFromB58String(PEER_ID_SERVER_B)
+    peerB = new Peer(id)
+    peerB.multiaddr.add(multiaddr(MULTIADDR_SERVER_B))
+    swarmB = new Swarm(peerB)
+    swarmB.transport.add('ws', new WebSockets())
+    swarmB.handle('/pineapple/1.0.0', (conn) => {
+      conn.pipe(conn)
+    })
+    swarmB.transport.listen('ws', {}, null, cb)
+  }
+
+  var count = 0
+  const ready = () => ++count === 2 ? done() : null
+
+  createServerA(ready)
+  createServerB(ready)
 }
 
-function stopServer (done) {
-  swarmA.transport.close('ws', done)
+function stopServers (done) {
+  var count = 0
+  const ready = () => ++count === 2 ? done() : null
+
+  swarmA.transport.close('ws', ready)
+  swarmB.transport.close('ws', ready)
 }
 
 function runTests (done) {
@@ -30,4 +63,4 @@ function runTests (done) {
   }, done).start()
 }
 
-createServer(() => runTests(() => stopServer(() => null)))
+createServers(() => runTests(() => stopServers(() => null)))