Add tests for dynamic linker

tests/.gitignore

tests/Makefile

tests/expected/args.stdout

tests/expected/bins_dynamic/args.stderr

tests/expected/bins_dynamic/args.stdout

tests/expected/bins_dynamic/errno.stderr

tests/expected/bins_dynamic/errno.stdout

tests/expected/bins_static/args.stderr

tests/expected/bins_static/args.stdout

tests/expected/bins_static/errno.stderr

tests/expected/bins_static/errno.stdout

tests/verify.sh