Add pytest reruns

Signed-off-by: NThreadDao <yufen.zong@zilliz.com>

build/docker/test/docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - ../../..:/milvus-distributed:delegated
     working_dir: "/milvus-distributed/tests/python_test"
     command: >
-      /bin/bash -c "sleep 10s && pytest --tags=0331 --ip proxynode"
+      /bin/bash -c "sleep 10s && pytest --tags=0331 --reruns=1 -n 4 --ip proxynode"
     networks:
       - milvus
 
@@ -27,7 +27,7 @@ services:
       - ../../..:/milvus-distributed:delegated
     working_dir: "/milvus-distributed/tests/python_test"
     command: >
-      /bin/bash -c "sleep 10s && pytest --tags=0331 --ip standalone"
+      /bin/bash -c "sleep 10s && pytest --tags=0331 --reruns=1 -n 4 --ip standalone"
     networks:
       - milvus
 

tests/python_test/requirements.txt

@@ -4,11 +4,12 @@ numpy==1.18.1
 pytest-cov==2.8.1
 pymilvus-distributed==0.0.39
 sklearn==0.0
-pytest==4.5.0
+pytest==6.2.2
 pytest-timeout==1.3.3
 pytest-repeat==0.8.0
 allure-pytest==2.7.0
 pytest-print==0.1.2
 pytest-level==0.1.1
-pytest-xdist==1.23.2
+pytest-xdist==2.2.1
+pytest-rerunfailures==9.1.1
 git+https://gitee.com/quicksilver/pytest-tags.git