Remove test code for Travis-CI from spec/models/asset_spec.rb
Remove test code for Travis-CI from spec/models/asset_spec.rb

hdyk3118/kozuchi,ymmtmsys/kozuchi,upinetree/kozuchi,hdyk3118/kozuchi,yakitorii/kozuchi,yakitorii/kozuchi,upinetree/kozuchi,everyleaf/kozuchi,ymmtmsys/kozuchi,everyleaf/kozuchi,everyleaf/kozuchi