replaced docker_exec with bash-tools library version

Author: HariSekhon

tests/test_hbase.sh

@@ -43,23 +43,12 @@ check_docker_available
 
 trap_debug_env hbase
 
-export MNTDIR="/pytools"
+# used by docker_exec
+export DOCKER_MOUNT_DIR=/pytools
+export DOCKER_JAVA_HOME=/usr
 
 startupwait 30
 
-docker_exec(){
-    # gets ValueError: file descriptor cannot be a negative integer (-1), -T should be the workaround but hangs
-    #docker-compose exec -T "$DOCKER_SERVICE" /bin/bash <<-EOF
-    echo "docker exec -i "$DOCKER_CONTAINER" /bin/bash <<-EOF
-    export JAVA_HOME=/usr
-    $MNTDIR/$@
-EOF"
-    run docker exec -i "$DOCKER_CONTAINER" /bin/bash <<-EOF
-    export JAVA_HOME=/usr
-    $MNTDIR/$@
-EOF
-}
-
 test_hbase(){
     local version="$1"
     section2 "Setting up HBase $version test container"