[functional tests] verify comments when parse_script_or_module
[functional tests] verify comments when parse_script_or_module

Closes: #1494
Approved by: vgao1996

libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,aptos-labs/aptos-core,libra/libra,aptos-labs/aptos-core,libra/libra