Try and run the tests on nginx

travis/default-site.tpl.conf

@@ -0,0 +1,19 @@
+server {
+    listen 8000 default_server;
+    listen [::]:8000 default_server ipv6only=on;
+
+    root {ROOT}/public;
+
+    access_log /tmp/access.log;
+    error_log /tmp/error.log;
+
+    location ~* "\.php(/|$)" {
+        include fastcgi.conf;
+        fastcgi_pass php;
+    }
+
+    location / {
+        # First attempt to serve request as file, then as directory, then fall back to index.php.
+        try_files $uri $uri/ /index.php$is_args$args;
+    }
+}