都知道有很多的因素会造成自动化脚本Failed，最好的方式是能在Failed后再自动的跑一下，以达到更好的自动化的效用。
Google发现有现成的，就直接用：pytest-rerunfailures
并用做了验证，没毛病：
准备用例
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11#coding=utf-8
class TestClass:
def test_one(self):
x = "this"
assert "h0" in x
def test_two(self):
x = "hello"
assert x == "hello"验证Rerun
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26C:\Python27\Scripts>py.test -r aR --rerun 2 1\1.py
============================= test session starts =============================
platform win32 -- Python 2.7.13, pytest-3.2.3, py-1.4.34, pluggy-0.4.0
rootdir: C:\Python27\Scripts, inifile:
plugins: rerunfailures-3.1
collected 2 items
1\1.py RRF.
=========================== rerun test summary info ===========================
RERUN 1/1.py::TestClass::()::test_one
RERUN 1/1.py::TestClass::()::test_one
=========================== short test summary info ===========================
FAIL 1/1.py::TestClass::()::test_one
================================== FAILURES ===================================
_____________________________ TestClass.test_one ______________________________
self = <1.TestClass instance at 0x03EA3C10>
def test_one(self):
x = "this"
> assert "h0" in x
E AssertionError: assert 'h0' in 'this'
1\1.py:7: AssertionError
================= 1 failed, 1 passed, 2 rerun in 0.11 seconds =================
