config Test Junit Dependency 추가

참조 이슈 : spring-io/initializr#1476

build.gradle

@@ -74,6 +74,7 @@ dependencies {
 	annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
 	annotationProcessor 'org.projectlombok:lombok'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 
 tasks.named('test') {