[BUG] Fix TSError: Unable to compile TypeScript

[ChoHadam]

summary

TSError occurs during mocha integral test.

error TS6133: 'OpCode' is declared but its value is never read.
error TS2552: Cannot find name 'Opcode'.

관련 Endpoint

버그 재현 경로

필요한 작업

• Replace incorrectly declared variable names with correct variable names

스크린샷