.setNested(MessageWithNoOuter.NestedMessage.newBuilder().setI(1))
.addForeign(TestAllTypes.newBuilder().setOptionalInt32(1))
.setNestedEnum(MessageWithNoOuter.NestedEnum.BAZ)
.setForeignEnum(EnumWithNoOuter.BAR)
.build();
assertEquals(message, MessageWithNoOuter.parseFrom(message.toByteString()));
assertEquals(MultipleFilesTestProto.getDescriptor(),
MessageWithNoOuter.getDescriptor().getFile());
Descriptors.FieldDescriptor field =