def create_mock_executable(executable_name)
      Dir.chdir(@project_path) do
        dir = mock_executable_dir(executable_name)
        FileUtils.mkdir_p(dir)
        executable_path = mock_executable_path(executable_name)
        File.open(executable_path, "w") { |io| io.puts "echo $0 $*>test_out" }
        File.chmod(0777, executable_path)
        executable_path
      end
    end
def create_mock_executable(executable_name)
      Dir.chdir(@project_path) do
        dir = mock_executable_dir(executable_name)
        FileUtils.mkdir_p(dir)
        executable_path = mock_executable_path(executable_name)
        File.open(executable_path, "w") { |io| io.puts "echo $0 $*>test_out" }
        File.chmod(0777, executable_path)
        executable_path
      end
    end
creates an executable in kit that will print its parameters
 in a test_out file for checking. Returns mocked executable
 full path