[macOS-arm64] 55 System.DirectoryServices.Protocols.Tests fail on CoreCLR

[sdmaclea]

See https://dev.azure.com/dnceng/public/_build/results?buildId=1021947

First few failures.

    System.DirectoryServices.Protocols.Tests.PageResultRequestControlTests.Ctor_Cookie(cookie: null, expectedValue: [48, 6, 2, 2, 2, ...]) [FAIL]
      System.DirectoryServices.Protocols.BerConversionException : An error occurred during the BER conversion.
      Stack Trace:
        /_/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/common/BerConverter.cs(209,0): at System.DirectoryServices.Protocols.BerConverter.Encode(String format, Object[] value)
        /_/src/libraries/System.DirectoryServices.Protocols/src/System/DirectoryServices/Protocols/common/DirectoryControl.cs(599,0): at System.DirectoryServices.Protocols.PageResultRequestControl.GetValue()
        /_/src/libraries/System.DirectoryServices.Protocols/tests/PageResultRequestControlTests.cs(72,0): at System.DirectoryServices.Protocols.Tests.PageResultRequestControlTests.Ctor_Cookie(Byte[] cookie, Byte[] expectedValue)
    System.DirectoryServices.Protocols.Tests.SecurityDescriptorFlagControlTests.Ctor_Flags(masks: Group, expectedValue: [48, 3, 2, 1, 2]) [FAIL]
      Assert.Equal() Failure
      Expected: Byte[] [48, 3, 2, 1, 2]
      Actual:   Byte[] [48, 6, 2, 4, 112, ...]
      Stack Trace:
        /_/src/libraries/System.DirectoryServices.Protocols/tests/SecurityDescriptorFlagControlTests.cs(41,0): at System.DirectoryServices.Protocols.Tests.SecurityDescriptorFlagControlTests.Ctor_Flags(SecurityMasks masks, Byte[] expectedValue)
    System.DirectoryServices.Protocols.Tests.ExtendedDNControlTests.Ctor_Default [FAIL]
      Assert.Equal() Failure
      Expected: Byte[] [48, 3, 2, 1, 0]
      Actual:   Byte[] [48, 6, 2, 4, 112, ...]
      Stack Trace:
        /_/src/libraries/System.DirectoryServices.Protocols/tests/ExtendedDNControlTests.cs(23,0): at System.DirectoryServices.Protocols.Tests.ExtendedDNControlTests.Ctor_Default()
    System.DirectoryServices.Protocols.Tests.VlvRequestControlTests.Ctor_BeforeCount_AfterCount_ByteArrayTarget(beforeCount: 0, afterCount: 0, target: null, expectedValue: [48, 14, 2, 1, 0, ...]) [FAIL]
      Assert.Equal() Failure
      Expected: Byte[] [48, 14, 2, 1, 0, ...]
      Actual:   Byte[] [48, 30, 2, 4, 112, ...]
      Stack Trace:
        /_/src/libraries/System.DirectoryServices.Protocols/tests/VlvRequestControlTests.cs(102,0): at System.DirectoryServices.Protocols.Tests.VlvRequestControlTests.Ctor_BeforeCount_AfterCount_ByteArrayTarget(Int32 beforeCount, Int32 afterCount, Byte[] target, Byte[] expectedValue)
    System.DirectoryServices.Protocols.Tests.BerConverterTests.Encode_Objects_ReturnsExpected(format: "tetie", values: [128, 0, 133, 2, 3], expected: [128, 1, 0, 133, 1, ...]) [FAIL]
      Exception of type 'Xunit.Sdk.AssertActualExpectedException' was thrown.
      Expected: 128, 1, 0, 133, 1, 2, 10, 1, 3
      Actual:   1, 112, 0, 0, 116, 4, 112, 0, 0, 101, 1, 112, 0, 0, 116, 4, 112, 0, 0, 105, 10, 4, 112, 0, 0, 101
      Stack Trace:
        /_/src/libraries/Common/tests/TestUtilities/System/AssertExtensions.cs(370,0): at System.AssertExtensions.Equal[T](T[] expected, T[] actual)
        /_/src/libraries/System.DirectoryServices.Protocols/tests/BerConverterTests.cs(49,0): at System.DirectoryServices.Protocols.Tests.BerConverterTests.Encode_Objects_ReturnsExpected(String format, Object[] values, Byte[] expected)

/cc @sandreenko These look a bit like ABI issues.