tests: Work around broken rm in cleanup

BusyBox rm, for example, doesn't handle long paths properly, so give it
some help.

C.f. http://lists.busybox.net/pipermail/busybox/2018-March/086302.html

1 files changed, 7 insertions, 0 deletions

diff --git a/tests.sh b/tests.sh
index 31135ab..16750b6 100755
--- a/tests.sh
+++ b/tests.sh
@@ -33,6 +33,13 @@ function cleanup() {
         return
     fi
 
+    # Don't force rm to deal with long paths
+    for dir in "$TMP"/deep/*/*; do
+        if [ -d "$dir" ]; then
+            (cd "$dir" && rm -rf *)
+        fi
+    done
+
     rm -rf "$TMP"
 }
 trap cleanup EXIT