Spring Boot 2.3.1, JUnit 5, Maven 3.6.3 - Maven lifecycle "test" does not run test suite - spring-boot

Question

pom.xml:
...
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-runner</artifactId>
<version>1.7.0-M1</version>
<scope>test</scope>
</dependency>
...
In <build> only is used:
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
Not in use in <build> are the plugins maven-surefire-plugin and maven-compiler-plugin
There are a few test classes (MyTest1Test, MyTest2Test, etc.), testing REST controllers. Some test methods are tagged with "myTag", to be included in a test suite, like:
#SpringBootTest
#AutoConfigureMockMvc
public class MyTest1Test {
...
#Test
#WithMockUser
public void test1() {...}
#Test
#WithMockUser
#Tag("myTag")
public void test2() {...}
...
}
Also there is a test suite, defined like:
#RunWith(JUnitPlatform.class)
#SelectClasses({MyTest1Test.class, MyTest3Test.class})
#IncludeTags({"myTag"})
public class MyTestSuiteTest {
...
}
When I select Maven > test, all test classes are run, only the test suite is not run. Why not? What kind of configuration has to be done?
When I run the test suite itself by right-click > Run 'MyTestSuiteTest' within the test class, it is run correctly.
Trying replacing #RunWith(JUnitPlatform.class with #ExtendWith(SpringExtension.class) doesn't solve it. Maven > "test" doesn't run the test suite, and worth, trying to run the test suite with IDE (right-click on the class > Run 'MyTestSuiteTest") shows and error:
org.junit.runners.model.InvalidTestClassError: Invalid test class '...MyTestSuiteTest':
1. No runnable methods
at org.junit.runners.ParentRunner.validate(ParentRunner.java:525)
at org.junit.runners.ParentRunner.<init>(ParentRunner.java:102)
at org.junit.runners.BlockJUnit4ClassRunner.<init>(BlockJUnit4ClassRunner.java:84)
at org.junit.runners.JUnit4.<init>(JUnit4.java:23)
at org.junit.internal.builders.JUnit4Builder.runnerForClass(JUnit4Builder.java:10)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:37)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
at org.junit.internal.requests.ClassRequest.createRunner(ClassRequest.java:28)
at org.junit.internal.requests.MemoizingRequest.getRunner(MemoizingRequest.java:19)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:49)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
The IDE tries to run the test suite with JUnit 4, but why? Because of #SelectClasses, #IncludeTags? I have to include the dependency
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-runner</artifactId>
<version>1.7.0-M1</version>
<scope>test</scope>
</dependency>
to be able to use #SelectClasses and #IncludeTags, but also I excluded the vintage engine. Btw, do I have to remove the exclusion of vintage engine, if running a test suite with #RunWith?
Observation:
Including vintage engine:
Using #RunWith, Maven > "test", shows the following in the console output:
org.junit.vintage.engine.discovery.DefensiveAllDefaultPossibilitiesBuilder$DefensiveAnnotatedBuilder buildRunner
WARNING: Ignoring test class using JUnitPlatform runner: ....MyTestSuiteTest
Running the test suite directly with right-click > Run 'MyTestSuiteTest" via IDE shows an additional entry in the unit test view:
MyTestSuiteTest
JUnit Jupiter
MyTest1Test
test2
MyTest3Test
test1
JUnit Vintage
<no name>
Although there are just two annotated methods to run with the test suite (one from MyTest1Test class, and one from MyTest3Test class), it says 3 test were run successfully. JUnit Vintage didn't show up before when vintage engine was exluded.
Using #ExtendWith with vintage engine included:
Maven > "test" doesn't run the test suite, no warning or similar in the console output. "right-click > Run 'MyTestSuiteTest" gives the reported error.
Excluding vintage engine:
#RunWith behaves as described initially in the question.
#ExtendWith Maven > "test" doesn't run the test suite, no warning or similar in the console output. "right-click > Run 'MyTestSuiteTest" gives the reported error.