[Tables] test failing in nightly runs

[Tianyun-G]

Tables nightly test runs are failing with:

Error message
System.FormatException : String '' was not recognized as a valid DateTime.

Stack trace
at System.DateTimeParse.Parse(ReadOnlySpan1 s, DateTimeFormatInfo dtfi, DateTimeStyles styles, TimeSpan& offset) at System.DateTimeOffset.Parse(String input, IFormatProvider formatProvider, DateTimeStyles styles) at Azure.Core.TypeFormatters.ParseDateTimeOffset(String value, String format) in /_1/microsoft.azure.autorest.csharp/3.0.0-beta.20210601.1/content/Generator.Shared/TypeFormatters.cs:line 125 at Azure.Core.XElementExtensions.GetDateTimeOffsetValue(XElement element, String format) in /_1/microsoft.azure.autorest.csharp/3.0.0-beta.20210601.1/content/Generator.Shared/XElementExtensions.cs:line 23 at Azure.Data.Tables.Models.TableGeoReplicationInfo.DeserializeTableGeoReplicationInfo(XElement element) in /_/sdk/tables/Azure.Data.Tables/src/Generated/Models/TableGeoReplicationInfo.Serialization.cs:line 26 at Azure.Data.Tables.Models.TableServiceStatistics.DeserializeTableServiceStatistics(XElement element) in /_/sdk/tables/Azure.Data.Tables/src/Generated/Models/TableServiceStatistics.Serialization.cs:line 20 at Azure.Data.Tables.ServiceRestClient.GetStatistics(Nullable1 timeout, CancellationToken cancellationToken) in //sdk/tables/Azure.Data.Tables/src/Generated/ServiceRestClient.cs:line 251
at Azure.Data.Tables.TableServiceClient.GetStatistics(CancellationToken cancellationToken) in //sdk/tables/Azure.Data.Tables/src/TableServiceClient.cs:line 818
--- End of stack trace from previous location where exception was thrown ---
at Azure.Core.TestFramework.DiagnosticScopeValidatingInterceptor.<>c__DisplayClass4_01.<<WrapAsyncResultCore>g__Await|0>d.MoveNext() in /mnt/vss/_work/1/s/sdk/core/Azure.Core.TestFramework/src/Instrumentation/DiagnosticScopeValidatingInterceptor.cs:line 91 --- End of stack trace from previous location where exception was thrown --- at System.Threading.Tasks.ValueTask1.get_Result()
at Azure.Core.TestFramework.DiagnosticScopeValidatingInterceptor.<>c__DisplayClass5_01.<<ValidateDiagnosticScopeInterceptor>b__0>d.MoveNext() in /mnt/vss/_work/1/s/sdk/core/Azure.Core.TestFramework/src/Instrumentation/DiagnosticScopeValidatingInterceptor.cs:line 142 --- End of stack trace from previous location where exception was thrown --- at System.Threading.Tasks.ValueTask1.get_Result()
at Azure.Core.TestFramework.DiagnosticScopeValidatingInterceptor.ValidateDiagnosticScope[T](Func1 action, MethodInfo methodInfo, String source) in /mnt/vss/_work/1/s/sdk/core/Azure.Core.TestFramework/src/Instrumentation/DiagnosticScopeValidatingInterceptor.cs:line 165 at Azure.Data.Tables.Tests.TableServiceClientLiveTests.GetTableServiceStatsReturnsStats() in /mnt/vss/_work/1/s/sdk/tables/Azure.Data.Tables/tests/TableServiceClientLiveTests.cs:line 319 at NUnit.Framework.Internal.TaskAwaitAdapter.GenericAdapter1.GetResult()
at NUnit.Framework.Internal.AsyncToSyncAdapter.Await(Func`1 invoke)
at NUnit.Framework.Internal.Commands.TestMethodCommand.RunTestMethod(TestExecutionContext context)
at NUnit.Framework.Internal.Commands.TestMethodCommand.Execute(TestExecutionContext context)
at NUnit.Framework.Internal.Commands.BeforeAndAfterTestCommand.<>c__DisplayClass1_0.b__0()
at NUnit.Framework.Internal.Commands.BeforeAndAfterTestCommand.RunTestMethodInThreadAbortSafeZone(TestExecutionContext context, Action action)

For more details check here:

• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=925262&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=926950&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=934787&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=935097&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=935174&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=941226&view=results
• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=943297&view=results

[christothes]

resolved by #21829