def project_name(new_name = nil)
      return @project_name if defined?(@project_name) && @project_name && new_name.nil?
      @project_name = new_name if new_name.is_a?(String)
      @project_name ||= File.basename(root.split("/").last).capitalize.tr("_", " ")
    end
def project_name(new_name = nil)
      return @project_name if defined?(@project_name) && @project_name && new_name.nil?
      @project_name = new_name if new_name.is_a?(String)
      @project_name ||= File.basename(root.split("/").last).capitalize.tr("_", " ")
    end
Returns the project name - currently assuming the last dirname in
 the SimpleCov.root is this.