Either the hard-coding in the config test will have to be changed or it will have to be replaced by something adaptive.  I have not quite decided yet.  Once the new tests are merged, I expect to do some followup improvements.

Equal important for this issue is minimal testing of each extension converted.  They do not have to be complete, but should demonstrate that the extension is present in the menu and basically runs.  Testing for presence in the menu has to be worked out.  There should be one or more separate issues that will be dependencies of this.  Does your patch put menu entries in the same place?  I will want to move some, but that can be a followup issue, which will require change in the test.  Ditto for combining some of the small files into fewer files.