module SimpleCov::Configuration

def use_merging(use = nil)


are joined and combined into a single coverage report
Defines whether to use result merging so all your test suites (test:units, test:functionals, cucumber, ...)
def use_merging(use = nil)
  @use_merging = use unless use.nil?
  @use_merging = true unless defined?(@use_merging) && @use_merging == false
end