Mock a CICS file read and raise a condition

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Note: It's possible this cannot be implemented in a way that will work properly off-platform. There is no EXEC CICS RAISE CONDITION command. There are games we could play, but we are not convinced the resulting implementation would provide useful information for a functional check. It would be better to refactor the application code so that the EXEC CICS READ DATASET command is contained in a separate paragraph, and then mock that paragraph. But there may be cases when such refactoring is not feasible, so we will try to implement this pattern.

    MOCK CICS DATASET 'THEFILENAME' 
        ON READ INTO WS-RECORD
            RAISE CONDITION NOTFND
    END-MOCK
    PERFORM PARAGRAPH-UNDER-TEST
    EXPECT CONDITION NOTFND TO BE RAISED