Add a test for inline behaviour

tests/51media/04inline.pl

@@ -0,0 +1,22 @@
+my $content_id;
+
+# This test ensures an uploaded file may optionally be rendered inline
+# in the browser. This is checked in get_media
+
+sub test_using_client
+{
+   my ( $client ) = @_;
+}
+
+test "Can download a file that optionally inlines",
+   requires => [ $main::API_CLIENTS[0] ],
+
+   check => sub {
+      my ( $http ) = @_;
+      upload_test_content( $user, {} , "text/plain")->then( sub {
+         ( $content_id ) = @_;
+         get_media( $http, $content_id, 1 )->then( sub {
+            Future->done(1);
+         })
+      });
+   };