assertEquals(1, result.errorCount(), "Should have exactly one error");
        }

        @Test
        @DisplayName("should succeed when upgrading from 4.0.0 to 4.1.0")
        void shouldSucceedWhenUpgrading() throws Exception {
            String pomXml = """
                <?xml version="1.0" encoding="UTF-8"?>
                <project xmlns="http://maven.apache.org/POM/4.0.0">