<s> with frontend . signin ( "<STR_LIT>" ) : <EOL> frontend . operation ( <EOL> "<STR_LIT>" , <EOL> data = { "<STR_LIT>" : - <NUM_LIT:1> } , <EOL> expect = { "<STR_LIT:status>" : "<STR_LIT>" , <EOL> "<STR_LIT:code>" : "<STR_LIT>" } ) </s>
