```ruby
default[:travis_build_environment][:hosts]                = Hash.new
default[:travis_build_environment][:builds_volume_size]   = "350m"
default[:travis_build_environment][:use_tmpfs_for_builds] = false```

Use tmpfs volume for builds directory. There is no real reason not to and it makes Ruby on Rails test suite FLY BABY FLY
user
```ruby
default[:travis_build_environment][:hosts]                = Hash.new
default[:travis_build_environment][:builds_volume_size]   = "350m"
default[:travis_build_environment][:use_tmpfs_for_builds] = true```
assistant