Create plannerlog.txt in TEST_DIR, if set.
Create plannerlog.txt in TEST_DIR, if set.

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