run_dummy_test 'sh -c "exit 77"' am_explicit_skips=no
test $? -eq 77 || exit 1
-run_dummy_test '(exit 77); exit 77' am_explicit_skips=yes
+run_dummy_test '(exit 77); exit 77' am_explicit_skips=yes
test $? -eq 78 || exit 1
run_dummy_test 'sh -c "exit 77"' am_explicit_skips=y