init drone file

.drone.yml

@@ -0,0 +1,38 @@
+kind: pipeline
+type: docker
+name: testsuite
+
+steps:
+
+- name: composer install
+	image: chialab/php
+	commands:
+	- composer install
+	volumes:
+	- name: composer-cache
+		path: /root/.composer/cache/
+
+- name: wait for test server
+	image: alpine
+	commands:
+	- echo "Waiting for server to launch on testserver:8080..."
+	- while ! nc -z testserver 8080; do sleep 0.1 ; done
+	- echo "Ready!"
+
+- name: run tests
+	image: chialab/php
+	environment:
+    - URL=testserver:8080
+	commands:
+	- sleep 10
+	- vendor/bin/phpunit tests
+
+services :
+
+- name: testserver
+	image: node
+	detach: true
+	commands:
+	- cd tests/server/
+	- npm install
+	- node server.js