Flask-Classy.diff

diff --git a/test_classy/test_blueprints.py b/test_classy/test_blueprints.py
index 6ea0284..71f079c 100644
--- a/test_classy/test_blueprints.py
+++ b/test_classy/test_blueprints.py
@@ -65,8 +65,10 @@ def test_bp_custom_http_method():
     resp = client.post("/basic/route3/")
     eq_("Custom HTTP Method", resp.data)
 
+def test_bp_url_prefix():
+    foo = Blueprint('foo', __name__)
+    BasicView.register(foo)
+    app.register_blueprint(foo, url_prefix='/foo')
 
-
-
-
-
+    resp = client.get('/foo/')
+    eq_('Index', resp.data)