diff --git a/test/common.js b/test/common.js
new file mode 100644
index 00000000..0db48df3
--- /dev/null
+++ b/test/common.js
@@ -0,0 +1,15 @@
+'use strict'
+
+const test = require('tape')
+
+const createClient = require('..')
+const vbbProfile = require('../p/vbb')
+
+// todo: use a mock profile
+const client = createClient(vbbProfile, 'public-transport/hafas-client:test')
+
+test('exposes the profile', (t) => {
+	t.ok(client.profile)
+	t.equal(client.profile.endpoint, vbbProfile.endpoint)
+	t.end()
+})
diff --git a/test/index.js b/test/index.js
index 35b20492..687c35a3 100644
--- a/test/index.js
+++ b/test/index.js
@@ -1,5 +1,6 @@
 'use strict'
 
+require('./common')
 require('./db')
 require('./vbb')
 require('./bvg')