diff --git a/.gitignore b/.gitignore
index 9faa8e0..ca99152 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@ node_modules
 package-lock.json
 coverage
 .nyc_output
+docs
+dist
diff --git a/.travis.yml b/.travis.yml
index ff17c4c..cadab04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: node_js
 cache: npm
+sudo: false
+
 stages:
   - check
   - test
@@ -7,25 +9,25 @@ stages:
 
 node_js:
   - '10'
+  - '12'
+
+os:
+  - linux
+  - osx
+  - windows
+
+before_script:
+  - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo sh -c 'echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6'; fi
 
 script: npx nyc -s npm run test:node -- --bail
 after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
 
 jobs:
   include:
-    - os: linux
-      sudo: false
-      before_script: sudo sh -c 'echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6'
-
-    - os: windows
-      cache: false
-
-    - os: osx
-
     - stage: check
       script:
         - npx aegir build --bundlesize
-        - npx aegir dep-check -- -i wrtc -i electron-webrtc
+        - npx aegir dep-check
         - npm run lint
 
     - stage: test
diff --git a/test/node.js b/test/node.js
index ec80930..7247986 100644
--- a/test/node.js
+++ b/test/node.js
@@ -75,17 +75,24 @@ describe('listen', () => {
       await listener.close()
     })
 
-    it.skip('close listener with connections, through timeout', (done) => {
-      // TODO `ws` closes all anyway, we need to make it not close
-      // first - https://github.com/diasdavid/simple-websocket-server
+    it('listen on port 0', async () => {
+      const ma = multiaddr('/ip4/127.0.0.1/tcp/0/ws/ipfs/Qmb6owHp6eaWArVbcJJbQSyifyJBttMMjYV76N2hMbf5Vw')
+      const listener = ws.createListener((conn) => { })
+
+      await listener.listen(ma)
+      const addrs = await listener.getAddrs()
+      expect(addrs.map((a) => a.toOptions().port)).to.not.include(0)
+      await listener.close()
     })
 
-    it.skip('listen on port 0', (done) => {
-      // TODO port 0 not supported yet
-    })
+    it('listen on any Interface', async () => {
+      const ma = multiaddr('/ip4/0.0.0.0/tcp/0/ws/ipfs/Qmb6owHp6eaWArVbcJJbQSyifyJBttMMjYV76N2hMbf5Vw')
+      const listener = ws.createListener((conn) => { })
 
-    it.skip('listen on any Interface', (done) => {
-      // TODO 0.0.0.0 not supported yet
+      await listener.listen(ma)
+      const addrs = await listener.getAddrs()
+      expect(addrs.map((a) => a.toOptions().host)).to.not.include('0.0.0.0')
+      await listener.close()
     })
 
     it('getAddrs', async () => {