outputTypeWithValidate (or inputTypeWithValidate) + validator()... doesn't work as expected

package org.mike.tests;

import org.apache.camel.ValidationException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

public class ValidatorTests extends CamelTestSupport {
    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {

                validator()
                        .type(String.class)
                        .withExpression(bodyAs(String.class).isEqualToIgnoreCase("valid"));

                onException(ValidationException.class)
                        .handled(true)
                        .log("Invalid predicate: ${exception.message}")
                        .to("mock:invalid");

                from("direct:in")
                        //.validate(bodyAs(String.class).isEqualToIgnoreCase("valid"))
                        .outputTypeWithValidate(String.class) // or .inputTypeWithValidate(String.class)
                        .to("mock:out");
            }
        };
    }

    @Test
    public void testValid() throws InterruptedException {

        getMockEndpoint("mock:out").expectedMessageCount(1);
        getMockEndpoint("mock:invalid").expectedMessageCount(0);

        template.sendBody("direct:in", "valid");

        assertMockEndpointsSatisfied();
    }

    @Test
    public void testInvalid() throws InterruptedException {
        getMockEndpoint("mock:out").expectedMessageCount(0);
        getMockEndpoint("mock:invalid").expectedMessageCount(1);

        template.sendBody("direct:in", "wrong");

        assertMockEndpointsSatisfied();
    }
}

.validate(bodyAs(String.class).isEqualToIgnoreCase("valid"))
//.inputTypeWithValidate(String.class)

package org.mike.tests;

import org.apache.camel.Message;
import org.apache.camel.ValidationException;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.spi.DataType;
import org.apache.camel.spi.Validator;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class BeanValidatorTest extends CamelTestSupport {
    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                validator()
                        .type("toValidate")
                        .withBean("testValidator");

                onException(ValidationException.class)
                        .handled(true)
                        .log("Invalid validation: ${exception.message}")
                        .to("mock:invalid");

                from("direct:in")
                        .outputTypeWithValidate("toValidate")
                        .to("mock:out");
            }
        };
    }

    public static class TestValidator extends Validator {
        private static final Logger LOG = LoggerFactory.getLogger(TestValidator.class);

        @Override
        public void validate(Message message, DataType type) throws ValidationException {
            Object body = message.getBody();
            LOG.info("Validating : [{}]", body);
            if (body instanceof String && body.equals("valid")) {
                LOG.info("OK");
            } else {
                throw new ValidationException(message.getExchange(), "Wrong content");
            }
        }
    }


    @Override
    protected JndiRegistry createRegistry() throws Exception {
        JndiRegistry registry = super.createRegistry();

        registry.bind("testValidator", new TestValidator());

        return registry;
    }

    @Test
    public void testValid() throws InterruptedException {

        getMockEndpoint("mock:out").expectedMessageCount(1);
        getMockEndpoint("mock:invalid").expectedMessageCount(0);

        template.sendBody("direct:in", "valid");

        assertMockEndpointsSatisfied();
    }

    @Test
    public void testInvalid() throws InterruptedException {
        getMockEndpoint("mock:out").expectedMessageCount(0);
        getMockEndpoint("mock:invalid").expectedMessageCount(1);

        template.sendBody("direct:in", "wrong");

        assertMockEndpointsSatisfied();
    }
}