Testing GetRef and Eval repeated execution

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TEST 1: GETREF FUNCTION CALL
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GetRef('AddTwoNumbers')(7, 5) = 12 (expected: 12)

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TEST 2: GETREF SUB INVOCATION
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EmitMessage called with: OK
Sub reference invocation completed (expected: line above printed)

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TEST 3: EVAL REPEATED SAME EXPRESSION
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Repeated Eval aggregate = 3500
Expected aggregate      = 3500
Match                   = True (expected: True)

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GETREF/EVAL TEST COMPLETED
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