go test -v === RUN TestHello --- PASS: TestHello (0.00s) hello_test.go:15: TestHello終了 PASS ok _/C_/workspace/tech_do/hello 0.061s $ go test --- FAIL: TestHello (0.00s) hello_test.go:12: 実際: こんにちは、筋肉くん! 理想: こんにちは、鈴木くん! ! hello_test.go:15: TestHello終了 FAIL exit status 1 FAIL _/C_/workspace/tech_do/hello 0.042s