test multi-line metadata entries

tests/functional_tests.py

@@ -35,7 +35,7 @@ def test_page_with_card_metadata(client):
     response = client.get('/more-metadata')
     assert response.status_code == 200
     assert b'<meta property="og:title" content="title for the page">' in response.data
-    assert b'<meta property="og:description" content="description of this page">' in response.data
+    assert b'<meta property="og:description" content="description of this page made even longer">' in response.data
     assert b'<meta property="og:image" content="http://buh.com/test.img">' in response.data
 
 

tests/instance/pages/more-metadata.md

@@ -1,5 +1,6 @@
 Title:          title for the page
 Description:    description of this page
+                made even longer
 Image:          http://buh.com/test.img
 
 hello