Added new failing conformance test to Ruby, PHP, and C#.

conformance/failure_list_csharp.txt

@@ -1,2 +1,3 @@
 Recommended.Proto3.JsonInput.BytesFieldBase64Url.JsonOutput
 Recommended.Proto3.JsonInput.BytesFieldBase64Url.ProtobufOutput
+Required.Proto2.JsonInput.StoresDefaultPrimitive.Validator

conformance/failure_list_php.txt

@@ -61,6 +61,7 @@ Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.DefaultOut
 Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.PackedInput.PackedOutput.ProtobufOutput
 Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.DefaultOutput.ProtobufOutput
 Recommended.Proto3.ProtobufInput.ValidDataRepeated.UINT64.UnpackedInput.PackedOutput.ProtobufOutput
+Required.Proto2.JsonInput.StoresDefaultPrimitive.Validator
 Required.Proto3.JsonInput.DoubleFieldTooSmall
 Required.Proto3.JsonInput.FloatFieldTooLarge
 Required.Proto3.JsonInput.FloatFieldTooSmall
@@ -75,8 +76,8 @@ Required.Proto3.JsonInput.Uint32FieldNotInteger
 Required.Proto3.JsonInput.Uint64FieldNotInteger
 Required.Proto3.ProtobufInput.RepeatedScalarMessageMerge.JsonOutput
 Required.Proto3.ProtobufInput.RepeatedScalarMessageMerge.ProtobufOutput
+Required.Proto3.ProtobufInput.ValidDataOneof.MESSAGE.Merge.JsonOutput
+Required.Proto3.ProtobufInput.ValidDataOneof.MESSAGE.Merge.ProtobufOutput
 Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.PackedInput.JsonOutput
 Required.Proto3.ProtobufInput.ValidDataRepeated.FLOAT.UnpackedInput.JsonOutput
 Required.Proto3.ProtobufInput.ValidDataScalar.FLOAT[2].JsonOutput
-Required.Proto3.ProtobufInput.ValidDataOneof.MESSAGE.Merge.JsonOutput
-Required.Proto3.ProtobufInput.ValidDataOneof.MESSAGE.Merge.ProtobufOutput

conformance/failure_list_ruby.txt

@@ -77,6 +77,7 @@ Recommended.Proto3.ProtobufInput.ValidDataScalarBinary.ENUM[3].ProtobufOutput
 Recommended.Proto3.ProtobufInput.ValidDataScalarBinary.ENUM[4].ProtobufOutput
 Required.DurationProtoInputTooLarge.JsonOutput
 Required.DurationProtoInputTooSmall.JsonOutput
+Required.Proto2.JsonInput.StoresDefaultPrimitive.Validator
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.JsonOutput
 Required.Proto3.JsonInput.DoubleFieldMaxNegativeValue.ProtobufOutput
 Required.Proto3.JsonInput.DoubleFieldMinPositiveValue.JsonOutput