```ruby
ENV['CONCEPTQL_DATA_MODEL'] ||= 'omopv4_plus'

if ENV['COVERAGE']
  require 'coverage'
  require 'simplecov'

  ENV.delete('COVERAGE')
  SimpleCov.instance_exec do
    start do
      add_filter "/test/"
      add_group('Missing'){|src| src.covered_percent < 100}
      add_group('Covered'){|src| src.covered_percent == 100}
      yield self if block_given?
    end
  end
end

$: << "lib"
require 'conceptql'
ENV['MT_NO_PLUGINS'] = '1' # Work around stupid autoloading of plugins
require 'minitest/spec'
require 'minitest/autorun'
```

Make all diffs pretty in tests
user
```ruby
ENV['CONCEPTQL_DATA_MODEL'] ||= 'omopv4_plus'

if ENV['COVERAGE']
  require 'coverage'
  require 'simplecov'

  ENV.delete('COVERAGE')
  SimpleCov.instance_exec do
    start do
      add_filter "/test/"
      add_group('Missing'){|src| src.covered_percent < 100}
      add_group('Covered'){|src| src.covered_percent == 100}
      yield self if block_given?
    end
  end
end

$: << "lib"
require 'conceptql'
ENV['MT_NO_PLUGINS'] = '1' # Work around stupid autoloading of plugins
require 'minitest/spec'
require 'minitest/autorun'

Minitest::Test.make_my_diffs_pretty!

```
assistant