springboot SpringBootTest Incompatible with JUnit 5.6.x ?

Using Spring Boot 2.2.6.RELEASE, and without any other changes to my project, I upgraded JUnit dependency to 5.6.1. After doing so, tests annotated with @SpringBootTest no longer run, and produce error:

Execution failed for task ':project-name:test'.
> No tests found for given includes: [io.orgname.service.ServiceTest](filter.includeTestsMatching)
````
Non-integration tests that are just annotated with `@Test` do work normally

Environment:

- Java 11
- Spring Boot 2.2.6.RELEASE
- JUnit 5.6.1
- Gradle 6.2.2

**Comment From: snicoll**

Can you please share a small build that showcases how you’ve overrides the junit version?

**Comment From: charlesritchea**

I've seen the same. Spring includes a specific version of JUnit (5.5.2?) and I saw a response somewhere that they don't support any other version

**Comment From: snicoll**

I don’t know what you are referring to @charlesritchea and that statement is inaccurate. There was a discussion on the junit tracker yesterday where [I shared a working example](https://github.com/junit-team/junit5/issues/2169#issuecomment-604361608) with JUnit 5.6 and Spring Boot 2.2. Anyway, we can resume this once the reporter has shared a sample. 

**Comment From: austinarbor**

I'm having a hard time reproducing with an MVP, but it's happening every time in my own project. I'll see if I can get a working MVP later today

**Comment From: austinarbor**

@snicoll it may be related to that ticket you linked above, here is a snapshot of my gradle dependencies: variables below are defined as:

- springVersion: 2.2.6.RELEASE
- junitVersion: 5.6.1
- mockitoVersion: 3.3.3

```groovy
plugins {
    id 'org.springframework.boot' version "${springVersion}"
    id 'io.spring.dependency-management' version '1.0.9.RELEASE'
}

dependencies {
    implementation("org.springframework.boot:spring-boot-starter-web") {
        exclude module: "spring-boot-starter-tomcat"
    }
    implementation "org.springframework.boot:spring-boot-starter-undertow"
    implementation "org.springframework.boot:spring-boot-starter-data-jpa"
    implementation "org.springframework.boot:spring-boot-starter-security"
    implementation "org.flywaydb:flyway-core"
    annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
    testImplementation "org.mockito:mockito-core:${mockitoVersion}"
    testImplementation "org.mockito:mockito-junit-jupiter:${mockitoVersion}"
    testImplementation "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
    testImplementation("org.springframework.boot:spring-boot-starter-test") {
        exclude module: "android-json"
    }
    testImplementation "org.springframework.security:spring-security-test"
    testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
}

Comment From: snicoll

Yes, indeed. You are overriding individual artifacts so it's the exact same problem. Please refer to the gradle plugin documentation to learn more about proper version overriding.

Removing the ${junitVersion} everywhere and adding ext['junit-jupiter.version'] = '5.6.1' should do the trick.

Comment From: austinarbor

Looks like that resolved it, thanks for the help

Comment From: sbrannen

You may also find this related topic on Stack Overflow useful.