fix build: account for not having parsing for std::chrono::year_month_day (take 2)

commit_hash:fbe178822a7e6e83294d4698ee868521183374b5

Author: Anton3

grpc/tests/datetime_utils_test.cpp

@@ -152,27 +152,25 @@ TEST(DatetimeUtilsDateIsValid, DayDoesNotMatchMonth) { EXPECT_FALSE(ugrpc::IsVal
 
 #if __cpp_lib_chrono >= 201907L
 
-template <typename Value>
-concept YearMonthDaySerializationSupported = requires(const Value& value) {
-    Parse(value, formats::parse::To<std::chrono::year_month_day>{});
-};
-
 TEST(DatetimeUtils, ToProtoDateFromYearMonthDay) {
     EXPECT_TRUE(kGrpcCompare(kDate, ugrpc::ToProtoDate(kYearMonthDay)));
 }
 
+// TODO reenable when formats:: supports serialization for std::year_month_day.
+#if 0
+
 TEST(DatetimeUtils, ToProtoDateFromInvalidYearMonthDay) {
-    if constexpr (YearMonthDaySerializationSupported<formats::json::Value>) {
-        constexpr std::chrono::year_month_day
-            kInvalidYearMonthDay(std::chrono::year(11000), std::chrono::month(4), std::chrono::day(10));
-        UEXPECT_THROW_MSG(
-            formats::json::ValueBuilder(kInvalidYearMonthDay).ExtractValue(),
-            ugrpc::DateConversionError,
-            "system_date is invalid"
-        );
-    }
+    constexpr std::chrono::year_month_day
+        kInvalidYearMonthDay(std::chrono::year(11000), std::chrono::month(4), std::chrono::day(10));
+    UEXPECT_THROW_MSG(
+        formats::json::ValueBuilder(kInvalidYearMonthDay).ExtractValue(),
+        ugrpc::DateConversionError,
+        "system_date is invalid"
+    );
 }
 
+#endif
+
 TEST(DatetimeUtils, ToYearMonthDay) { EXPECT_EQ(kYearMonthDay, ugrpc::ToYearMonthDay(kDate)); }
 
 TEST(DatetimeUtils, ToYearMonthDayInvalidDate) {