Put help methods in help classes
Put help methods used by several test classes in a help class. Make the help methods available through inheritance (is-a relationship) or delegation (has-a relationship).
" inheritance example
CLASS lth_unit_tests DEFINITION ABSTRACT.
PROTECTED SECTION.
CLASS-METHODS assert_activity_entity
IMPORTING
actual_activity_entity TYPE REF TO zcl_activity_entity
expected_activity_entity TYPE REF TO zcl_activity_entity.
...
ENDCLASS.
CLASS lth_unit_tests IMPLEMENTATION.
METHOD assert_activity_entity.
...
ENDMETHOD.
ENDCLASS.
CLASS ltc_unit_tests DEFINITION INHERITING FROM lth_unit_tests FINAL FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
...
ENDCLASS.