JUnit No tests executed. problem

warning: unknown enum constant Status.STABLE
  reason: class file for org.apiguardian.api.API$Status not found
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
warning: unknown enum constant Status.STABLE
9 warnings
compile-test-single:
No tests executed.

package javaapplication1;

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;

public class JavaApplication1Test {
    
    @Test
    public void newJavaClassLenthShouldBeZero(){
        int a = "Nig".length();
        int b = 3;
        assertEquals(a, b);
    }
}