Fix '\n' not trimed in e2e restful test (#17810)

Signed-off-by: Nshaoyue.chen <shaoyue.chen@zilliz.com>

tests/scripts/e2e-restful.sh

@@ -18,7 +18,9 @@ DATA_PATH="${ROOT}/tests/scripts/restful-data/"
 
 MILVUS_CLUSTER_ENABLED="${MILVUS_CLUSTER_ENABLED:-false}"
 
-MILVUS_SERVICE_ADDRESS="${MILVUS_HELM_RELEASE_NAME}-milvus.${MILVUS_HELM_NAMESPACE}:9091"
+MILVUS_SERVICE_NAME=$(echo "${MILVUS_HELM_RELEASE_NAME}-milvus.${MILVUS_HELM_NAMESPACE}" | tr -d '\n')
+
+MILVUS_SERVICE_ADDRESS="${MILVUS_SERVICE_NAME}:9091"
 
 # Create a collection
 curl -X 'POST' \