FailFast.java

import static org.junit.jupiter.api.Assumptions.assumeFalse;
import static org.junit.jupiter.api.Assumptions.assumeTrue;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.Order;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.api.extension.InvocationInterceptor;
import org.junit.jupiter.api.extension.ReflectiveInvocationContext;
import org.junit.jupiter.api.extension.TestWatcher;

/** For ordered tests only, fail fast. */
public class FailFast implements InvocationInterceptor, TestWatcher {
  private static final Map<Integer, Boolean> CLASS_FAILED = new HashMap<>(Map.of(0, false));
  private final Map<Integer, Boolean> methodSucceeded = new HashMap<>(Map.of(0, true));

  @Override
  public void interceptTestMethod(
      Invocation<Void> invocation,
      ReflectiveInvocationContext<Method> invocationContext,
      ExtensionContext extensionContext)
      throws Throwable {
    var classOrder = extensionContext.getRequiredTestClass().getAnnotation(Order.class);
    if (classOrder != null) assumeFalse(CLASS_FAILED.getOrDefault(classOrder.value() - 1, false));
    var methodOrder = extensionContext.getRequiredTestMethod().getAnnotation(Order.class);
    if (methodOrder != null)
      assumeTrue(methodSucceeded.getOrDefault(methodOrder.value() - 1, false));
    invocation.proceed();
  }

  @Override
  public void testSuccessful(ExtensionContext context) {
    var methodOrder = context.getRequiredTestMethod().getAnnotation(Order.class);
    if (methodOrder != null) methodSucceeded.put(methodOrder.value(), true);
  }

  @Override
  public void testFailed(ExtensionContext context, Throwable cause) {
    var classOrder = context.getRequiredTestClass().getAnnotation(Order.class);
    if (classOrder != null) CLASS_FAILED.put(classOrder.value(), true);
  }
}

You must annotated test classes with @ExtendWith(FailFast.class).