Start Level 1 Node: CATT Computer Aided Test Tool (BC-CAT-TOL)CATT Computer Aided Test Tool (BC-CAT-TOL)End Level 1 Node: CATT Computer Aided Test Tool (BC-CAT-TOL)
   Start Level 1 Node: Run Test CaseRun Test CaseEnd Level 1 Node: Run Test Case
      Start Level 2 Node: <Icon> Name of Role<Icon> Name of RoleEnd Level 2 Node: <Icon> Name of Role