```ruby
require 'simplecov'
SimpleCov.start
SimpleCov.refuse_coverage_drop
require_relative '../../lib/quality/rake/task'
require 'test/unit'
require 'mocha/setup'
```

Add SimpleCov filter for vendor installs, avoiding TravisCI failure
user
```ruby
require 'simplecov'
SimpleCov.start do
  add_filter 'vendor' # Don't include vendored stuff
end
SimpleCov.refuse_coverage_drop
require_relative '../../lib/quality/rake/task'
require 'test/unit'
require 'mocha/setup'
```
assistant