ENG-5393: Properly destruct member in CopyOnWriteTest.
ENG-5393: Properly destruct member in CopyOnWriteTest.

zuowang/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,zuowang/voltdb,ingted/voltdb,paulmartel/voltdb,migue/voltdb,flybird119/voltdb,ingted/voltdb,wolffcm/voltdb,zuowang/voltdb,deerwalk/voltdb,ingted/voltdb,migue/voltdb,zuowang/voltdb,zuowang/voltdb,VoltDB/voltdb,deerwalk/voltdb,paulmartel/voltdb,kumarrus/voltdb,deerwalk/voltdb,zuowang/voltdb,kumarrus/voltdb,kumarrus/voltdb,paulmartel/voltdb,creative-quant/voltdb,ingted/voltdb,zuowang/voltdb,flybird119/voltdb,creative-quant/voltdb,kumarrus/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,wolffcm/voltdb,deerwalk/voltdb,kumarrus/voltdb,ingted/voltdb,migue/voltdb,flybird119/voltdb,simonzhangsm/voltdb,flybird119/voltdb,creative-quant/voltdb,migue/voltdb,ingted/voltdb,ingted/voltdb,wolffcm/voltdb,creative-quant/voltdb,migue/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,deerwalk/voltdb,VoltDB/voltdb,kumarrus/voltdb,flybird119/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,wolffcm/voltdb,creative-quant/voltdb,creative-quant/voltdb,migue/voltdb,paulmartel/voltdb,paulmartel/voltdb,VoltDB/voltdb,deerwalk/voltdb,wolffcm/voltdb,wolffcm/voltdb,wolffcm/voltdb,ingted/voltdb,paulmartel/voltdb,migue/voltdb,kumarrus/voltdb,paulmartel/voltdb,wolffcm/voltdb,flybird119/voltdb,flybird119/voltdb,creative-quant/voltdb,VoltDB/voltdb,kumarrus/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,zuowang/voltdb,migue/voltdb,flybird119/voltdb,creative-quant/voltdb