IntelliJ isEqualTo bug

bug.java

import org.assertj.core.api.AbstractAssert;
import org.assertj.core.api.AssertProvider;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class SerafinTest
{
    @Test
    public void testIntelliJBug()
    {
        assertThat(query("whatever"))
                .isEqualTo("whatever");
    }

    public static AssertProvider<QueryAssert> query(String test)
    {
        return () -> new QueryAssert(test, QueryAssert.class);
    }

    public static class QueryAssert
           extends AbstractAssert<QueryAssert, String>
    {
        protected QueryAssert(String o, Class<?> selfType)
        {
            super(o, selfType);
        }
    }
}