test: add draft2019-09, errors to solve

tests/selfvalidate_test.cxx

@@ -170,6 +170,8 @@ TEST_P(JsonSchema, TestSuite) {
 INSTANTIATE_TEST_SUITE_P(Draft4, JsonSchema, SchemaTests(Version::Draft04), SchemaTestName);
 INSTANTIATE_TEST_SUITE_P(Draft6, JsonSchema, SchemaTests(Version::Draft06), SchemaTestName);
 INSTANTIATE_TEST_SUITE_P(Draft7, JsonSchema, SchemaTests(Version::Draft07), SchemaTestName);
+INSTANTIATE_TEST_SUITE_P(Draft2019_09, JsonSchema, SchemaTests(Version::Draft2019_09),
+                         SchemaTestName);
 
 int main(int argc, char ** argv) {
   testing::InitGoogleMock(&argc, argv);