public ShenYuAfterEachSpec build() {
            return new ShenYuAfterEachSpec(deleter, checker, deleteWaiting);
        }
builder build before each spec.
@return ShenYuAfterEachSpec
shenyu-e2e/shenyu-e2e-engine/src/main/java/org/apache/shenyu/e2e/engine/scenario/specification/ShenYuAfterEachSpec.java