Use a fixture for common code in #spawn specs
Use a fixture for common code in #spawn specs

ruby/spec,ruby/spec,kachick/rubyspec,kachick/rubyspec,kachick/rubyspec,sgarciac/spec,eregon/rubyspec,eregon/rubyspec,nobu/rubyspec,ruby/rubyspec,ruby/rubyspec,nobu/rubyspec,sgarciac/spec,nobu/rubyspec,sgarciac/spec,ruby/spec,eregon/rubyspec