Add few more tests to test-is-public-builtin.c
Add few more tests to test-is-public-builtin.c

rockdaboot/libpsl,dago/libpsl,darnir/libpsl,darnir/libpsl,rockdaboot/libpsl,darnir/libpsl,dago/libpsl,rockdaboot/libpsl,dago/libpsl