Eli Zaretskii writes: > Thanks. When I run the tests, this doesn't compile for me: Sorry I missed that. It doesn't compile for me either, nor does it break running the tests on my machine although it looks like it's supposed to, and I was in the habit of just looking at the log file not make's output. Since the way testcover-tests.el builds tests depends on the runtime environment to find testcases.el, the simplest fix is to add no-byte-compile to the file local variables which I have done in this version: