sefltests/tracing: Add a test for tracepoint events on modules

Add a test case for tracepoint events on modules. This checks if it can add
and remove the events correctly.

Link: https://lore.kernel.org/all/172397781494.286558.7581515061075998225.stgit@devnote2/



Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>