test: force deletion of test remnants

This keeps the test from failing if only a subset of the remnants were
available for deletion, because e.g. only a subset of the tests were
run.

diff --git a/test/notmuch-test b/test/notmuch-test
index adc657d2d220d0a4bde7873bec80eff1fa18bf77..0ea4f4f732534ca68be1430c7cebd131a032beaf 100755 (executable)
--- a/test/notmuch-test
+++ b/test/notmuch-test
@@ -54,4 +54,4 @@ done
 ./aggregate-results.sh test-results/*
 
 # Clean up
-rm -r test-results corpus.mail
+rm -rf test-results corpus.mail