chore(browserstack): properly teardown tunnel (#1745)

scripts/browserstack/start_tunnel.js

@@ -44,7 +44,7 @@ tunnel.start(function(error) {
     });
 
     if (READY_FILE) {
-      fs.writeFile(READY_FILE, '');
+      fs.writeFile(READY_FILE, process.pid);
     }
   }
 });

scripts/browserstack/teardown_tunnel.sh

@@ -4,5 +4,17 @@ set -e -o pipefail
 
 
 echo "Shutting down Browserstack tunnel"
-echo "TODO: implement me"
-exit 1
+
+PID=$(cat $BROWSER_PROVIDER_READY_FILE);
+
+# Resolving the PID from the readyfile.
+kill $PID
+
+
+while [[ -n `ps -ef | grep $PID | grep -v "grep"` ]]; do
+  printf "."
+  sleep .5
+done
+
+echo ""
+echo "Browserstack tunnel has been shut down"

scripts/ci/sources/tunnel.sh

@@ -34,7 +34,7 @@ teardown_tunnel() {
       ./scripts/sauce/sauce_connect_teardown.sh
       ;;
     browserstack*)
-      # ./scripts/browserstack/teardown_tunnel.sh
+      ./scripts/browserstack/teardown_tunnel.sh
       ;;
     *)
       ;;