chore: 테스트 환경 h2 DB 의존성 추가

Author: ysw789

build.gradle

@@ -44,6 +44,7 @@ dependencies {
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	runtimeOnly 'com.oracle.database.jdbc:ojdbc11'
 	annotationProcessor 'org.projectlombok:lombok'
+	testImplementation 'com.h2database:h2'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testImplementation 'org.springframework.security:spring-security-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'