Last but not least, the XSL: if instruction executes only if its test succeeds.

最后但并非最不重要的一条指令就是xsl： if，它只在其测试成功的情况下才会执行。

youdao

The test verifies that the advice in the aspect succeeds by either looking for a known side-effect of the advice or by using a mock object.

这个测试通过查找建议的已知副作用或者使用一个mock对象来验证方面中的建议是否成功。

youdao

The ABC is hoping still to coax him back, I hear, and I hope it succeeds in time for the first test at the Gabba.

BBC: May: A month of goodbyes

If he succeeds, he will bat at three at Cardiff in the first Test.

BBC: Jonathan Agnew column