我的测试中有多个WebDriverWaits，你可以在下面看到所有的格式，但它们经常在一两秒后失败，即使他们应该每半秒轮询一次这个元素20秒 - 任何人都可以告诉我，我想要的是什么？：
$ make test
Running tests...
Test project /root/ibvq/frkcrpg/b
Start 1: precheck
1/3 Test #1: precheck .........................***Failed 0.00 sec
Start 2: test-1
2/3 Test #2: test-1 ........................... Passed 0.00 sec
Start 3: test-2
3/3 Test #3: test-2 ........................... Passed 0.00 sec
67% tests passed, 1 tests failed out of 3
Total Test time (real) = 0.02 sec
The following tests FAILED:
1 - precheck (Failed)
Errors while running CTest
Makefile:83: recipe for target 'test' failed
make: *** [test] Error 8