test: remove subdirectories in tmp directory

diff --git a/test/simulation/test.common b/test/simulation/test.common
index 3d1e61d749ee4410b606f2a5cc17cfa0d0752e9f..b771ea748e609396e2373abb56a4ee1294778d8b 100644 (file)
--- a/test/simulation/test.common
+++ b/test/simulation/test.common
@@ -84,7 +84,7 @@ for defoptname in ${!default_*}; do
 done
 
 test_start() {
-       rm -f tmp/*
+       rm -rf tmp/*
        echo "Testing $@:"
 
        check_config_h 'FEAT_NTP 1' || test_skip