test: Mount /tmp as tmpfs again, but copy any existing files in /tmp back into it

Signed-off-by: Jacques de Laval <jacques@de-laval.se>

test/add-remove-dynamic-service/test.sh

@@ -7,19 +7,6 @@ TEST_DIR=$(dirname "$0")/..
 # shellcheck source=/dev/null
 . "$TEST_DIR/lib.sh"
 
-say 'environment:'
-texec env
-say 'initctl:'
-texec busybox-x86_64 which initctl
-say 'ldd initctl:'
-texec sh -c 'LD_TRACE_LOADED_OBJECTS=1 initctl'
-say 'finit:'
-texec busybox-x86_64 which finit
-say 'ldd finit:'
-texec sh -c 'LD_TRACE_LOADED_OBJECTS=1 finit'
-say 'tree:'
-texec find / | grep -v '^/sys' | grep -v '^/proc'
-
 test_teardown() {
     say "Test done $(date)"
     say "Running test teardown."