```ruby
if ENV['COVERAGE']
  require 'simplecov'
  SimpleCov.start do
    add_filter "/spec/"
  end
end

require 'coercible'

include Coercible

ENV['TZ'] = 'UTC'

Dir[File.expand_path('../shared/**/*.rb', __FILE__)].each { |file| require file }

# This file was generated by the `rspec --init` command. Conventionally, all
# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
# Require this file using `require "spec_helper"` to ensure that it is only
# loaded once.
#
# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
RSpec.configure do |config|
  config.treat_symbols_as_metadata_keys_with_true_values = true
  config.run_all_when_everything_filtered = true
  config.filter_run :focus

  # Run specs in random order to surface order dependencies. If you find an
  # order dependency and want to debug it, you can fix the order by providing
  # the seed, which is printed after each run.
  #     --seed 1234
  config.order = 'random'
end
```

Exclude lib/support from spec coverage
user
```ruby
if ENV['COVERAGE']
  require 'simplecov'
  SimpleCov.start do
    add_filter "/spec/"
    add_filter "lib/support"
  end
end

require 'coercible'

include Coercible

ENV['TZ'] = 'UTC'

Dir[File.expand_path('../shared/**/*.rb', __FILE__)].each { |file| require file }

# This file was generated by the `rspec --init` command. Conventionally, all
# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
# Require this file using `require "spec_helper"` to ensure that it is only
# loaded once.
#
# See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
RSpec.configure do |config|
  config.treat_symbols_as_metadata_keys_with_true_values = true
  config.run_all_when_everything_filtered = true
  config.filter_run :focus

  # Run specs in random order to surface order dependencies. If you find an
  # order dependency and want to debug it, you can fix the order by providing
  # the seed, which is printed after each run.
  #     --seed 1234
  config.order = 'random'
end
```
assistant