Add the below lines to your Makefile and run with
> make
> make shell-tests

make shell-tests : shell_tests.sh shell_tests_data.sh clean-tests
	chmod u+rx shell_tests.sh shell_tests_data.sh normalize.awk filter-semopen-bug.awk
	./shell_tests.sh

clean-tests :
	rm -f test-*.{log,out,expect,diff,valgrindout}