add test for delta table engine.

tests/suites/1_stateful/12_delta/11_0000_delta_engine.result

@@ -0,0 +1,26 @@
+>>>> drop table if exists test_delta;
+>>>> create table test_delta engine = delta location = 'fs://${ROOT}/';
+>>>> select * from test_delta order by id;
+0
+1
+2
+3
+4
+<<<<
+>>>> drop table test_delta;
+>>>> drop connection if exists s3_conn;
+>>>> create connection s3_conn storage_type = 's3' access_key_id ='minioadmin' secret_access_key ='minioadmin' ENDPOINT_URL='http://127.0.0.1:9900';
+>>>> create table test_delta engine = delta location = 's3://testbucket/admin/data/delta/delta-table'  connection_name = 's3_conn' ;
+>>>> select * from test_delta order by id;
+0
+1
+2
+3
+4
+<<<<
+>>>> show create table test_delta;
+test_delta	CREATE TABLE `test_delta` (
+  `id` INT NULL
+) ENGINE=DELTA CONNECTION_NAME='s3_conn' LOCATION='s3://testbucket/admin/data/delta/delta-table'
+<<<<
+>>>> drop table test_delta;

tests/suites/1_stateful/12_delta/11_0000_delta_engine.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+. "$CURDIR"/../../../shell_env.sh
+
+ROOT=$(realpath "$CURDIR"/../../../data/delta/delta-table/)
+
+stmt "drop table if exists test_delta;"
+
+echo ">>>> create table test_delta engine = delta location = 'fs://\${ROOT}/';"
+echo "create table test_delta engine = delta location = 'fs://${ROOT}/';" | $BENDSQL_CLIENT_CONNECT
+# stmt "create table test_delta engine = delta location = 'fs://${ROOT}/';"
+query "select * from test_delta order by id;"
+stmt "drop table test_delta;"
+
+stmt "drop connection if exists s3_conn;"
+stmt "create connection s3_conn storage_type = 's3' access_key_id ='minioadmin' secret_access_key ='minioadmin' ENDPOINT_URL='http://127.0.0.1:9900';"
+
+echo ">>>> create table test_delta engine = delta location = 's3://testbucket/admin/data/delta/delta-table'  connection_name = 's3_conn' ;"
+echo "create table test_delta engine = delta location = 's3://testbucket/admin/data/delta/delta-table' connection_name = 's3_conn';" | $BENDSQL_CLIENT_CONNECT
+query "select * from test_delta order by id;"
+query "show create table test_delta;"
+stmt "drop table test_delta;"
+
+