You could use a code coverage tool before step 4, but I prefer to do the preceding steps manually.
您也可以在第4步之前使用一个代码覆盖率工具，但是我宁愿您手动完成前面的步骤。
2
You can also use this panel to customize acceptable coverage levels for each step of granularity. The supported levels of granularity are described following.
您还可以使用该窗格来定制可接受的覆盖率层次。
3
The next step beyond testing code is measuring the tests with a code coverage tool.