Write a unit test for addinventory$(0,$ which has an error. Call redSweateraddlnventory$()$ with argument sweaterShipment. Print the shown error if the subsequent quantity is incorrect. Sample output for failed unit test given initial quantity is $10$ and sweaterShipment is $5$ :

Beginning tests.

UNIT TEST FAILED: addInventory$()$

Tests complete.

Note: UNIT TEST FAILED is preceded by $3$ spaces.

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$536034\mathrm{.}4008628\mathrm{.}93zqy?$

InventoryTag redSweater;

int sweaterShipment;

int sweaterInventoryBefore;

SweaterInventoryBefore $=$ redSweater.getQuantityRemaining$()$;

cin $>$ sweaterShipment;

cout $$ "Beginning tests." $$ endl;

$//$ FIXME add unit test for addInventoryd

$Y^{**}$ Your solution goes here $*/$

cout &$$ "Tests complete." $$ endl;

return $$;