buster-static reports no tests when used with buster-amd

[mroderick]

I think I've discovered a bug, or at least a conflict between buster-static and buster-amd.

When used with buster-amd, the test runner for buster-static reports no results from test runs (or doesn't run the tests).

All the necessary files are loaded:

But no test results are recorded

I have created a reduced test case to make it easier to diagnose this bug.