我創建了一個空的 gradle 項目，內部包含單個模塊（子項目），也作為 gradle 項目，但使用 Spring boot 2。主要（無標題1）build.gradle：group 'com.example'version '1.0-SNAPSHOT'allprojects {    repositories {        mavenCentral()    }}設置.gradle：rootProject.name = 'main-project'include 'new-one'子項目（新項目）：構建 gradle：plugins {    id("java")    id("org.springframework.boot") version "2.1.8.RELEASE"    id("io.spring.dependency-management") version "1.0.8.RELEASE"}group = 'com.example'version '1.0-SNAPSHOT'sourceCompatibility = 1.12dependencies {    implementation 'org.springframework.boot:spring-boot-dependencies:2.0.5.RELEASE'    implementation 'org.springframework.boot:spring-boot-starter-web'    testImplementation 'org.springframework.boot:spring-boot-starter-test'    def junit = '5.5.2'    testImplementation ("org.junit.jupiter:junit-jupiter-api:${junit}")    testImplementation ("org.junit.jupiter:junit-jupiter-params:${junit}")    testImplementation ("org.assertj:assertj-core:3.11.1")    testRuntime("org.junit.jupiter:junit-jupiter-engine:${junit}")}test {    useJUnitPlatform()}使用測試運行器運行測試：IntelliJ idea 編譯并通過測試，但是當我使用 gradle 時，如果我運行單個測試，它會返回：Testing started at 2:48 PM ...> Task :new-one:cleanTest> Task :new-one:compileJava UP-TO-DATE> Task :new-one:processResources NO-SOURCE> Task :new-one:classes UP-TO-DATE> Task :new-one:compileTestJava> Task :new-one:processTestResources NO-SOURCE> Task :new-one:testClasses> Task :new-one:test FAILEDSep 30, 2019 2:48:53 PM org.junit.platform.launcher.core.DefaultLauncher handleThrowableWARNING: TestEngine with ID 'junit-jupiter' failed to discover testsjava.lang.NoClassDefFoundError: org/junit/platform/engine/support/discovery/Sel