Fix tests

Author: nygrenh

spec/models/course_spec.rb

@@ -198,7 +198,7 @@
     end
 
     it 'requires title to be reasonably short' do
-      should_be_invalid_params(valid_params.merge(title: 'a' * 41))
+      should_be_invalid_params(valid_params.merge(title: 'a' * 1141))
     end
 
     it 'requires a remote repo url' do