issue(spl): remaining issues in current spl specs

[Stevengre]

• test_ptoken_domain_data doesn't exist;
• test_process_set_authority_account doesn't pass pnpm programs:test -- --features rvo
• test_process_set_authority_mint doesn't pass pnpm programs:test -- --features rvo
• test_process_transfer_checked doesn't pass pnpm programs:test -- --features rvo

[jberthold]

test_ptoken_domain_data doesn't exist;

We should have a test_spltoken_domain_data test to test the cheatcodes as soon as we implement some.