[TD-1386] <test> add test case for retention

tests/pytest/fulltest.sh

@@ -16,6 +16,7 @@ python3 ./test.py -f insert/nchar.py
 python3 ./test.py -f insert/nchar-unicode.py
 python3 ./test.py -f insert/multi.py
 python3 ./test.py -f insert/randomNullCommit.py
+python3 insert/retentionpolicy.py
 
 python3 ./test.py -f table/column_name.py
 python3 ./test.py -f table/column_num.py

tests/pytest/test.sh

@@ -12,7 +12,6 @@ else
   TAOS_DIR=$CURR_DIR/../..
 fi
 TAOSD_DIR=`find $TAOS_DIR -name "taosd"|grep bin|head -n1`
-TAOS_BIN_DIR=`echo $TAOSD_DIR|rev|cut -d '/' -f 3,4,5,6|rev`/bin
 LIB_DIR=`echo $TAOSD_DIR|rev|cut -d '/' -f 3,4,5,6|rev`/lib
 export PYTHONPATH=$(pwd)/../../src/connector/python/linux/python3
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIB_DIR