DynamicData test is not passing exception objects correctly

[krishnajay0310]

We are using DynamicData to specify our test cases. We are creating an InvalidUpdateException object by passing custom exception message. However, the exception message being actually passed to the unit test method is “Exception of type ‘CCO.Contracts.InvalidUpdateException' was thrown.”

Steps to reproduce

        private static IEnumerable<object[]> TestData()
        {
            return new List<object[]>()
            {
            new object[] { new InvalidUpdateException("Test exception message") }
            };
        }        
        [DynamicData(nameof(TestData), DynamicDataSourceType.Method)]
        [TestMethod]
        public void ValidateExMessage(Exception ex)
        {
            Assert.AreEqual(ex?.Message, "Test exception message");
        }

Expected behavior

ex?.Message = "Test exception message"

Actual behavior

ex?.Message = "Exception of type ‘CCO.Contracts.InvalidUpdateException' was thrown"

Environment

Windows OS
Using Visual Studio 2022
Nuget package versions -

<PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.0.0" />
 <PackageReference Update="MSTest.TestAdapter" Version="2.2.8" />
 <PackageReference Update="MSTest.TestFramework" Version="2.2.8" />

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