[#] 2 [Test case] | all | header | schemaId | builtinElementGrammar | builtin.toSchemaInformed-00 [3 to 1] PASSED [2 to 1] PASSED [3 to 2] PASSED [1 to 2] PASSED [2 to 3] PASSED [1 to 3] PASSED [Specification reference] specification [Input file] file [Testcase description] 
Built-in root tag with a schema-informed child element