Update tests to use TIMESTAMP WITHOUT TIME ZONE type

ci/test_mapserver_image.sh

@@ -93,7 +93,7 @@ add_postgres_tables() {
     docker exec -i ${PG_SERVER_NAME} psql -U ${POSTGRES_USER} <<EOF
 CREATE TABLE IF NOT EXISTS g16_abi_radf_l1b_c01 (
     gid SERIAL PRIMARY KEY,
-    start_time TIMESTAMP NOT NULL UNIQUE,
+    start_time TIMESTAMP WITHOUT TIME ZONE NOT NULL UNIQUE,
     location VARCHAR(255) NOT NULL,
     bbox_geometry geometry(POLYGON, 930916)
     )