Skip RBS::SchemaTest

Author: hsbt

tool/rbs_skip_tests

@@ -44,5 +44,8 @@ test_compile(RegexpSingletonTest)
 test_linear_time?(RegexpSingletonTest)
 test_new(RegexpSingletonTest)
 
-## Failed tests caused by unreleased version of Ruby
+# https://github.com/ruby/ruby/pull/12598#issuecomment-2601479034
+# The handrolled parser of JSON is not working with `json-schema` gem
+RBS::SchemaTest
 
+## Failed tests caused by unreleased version of Ruby