diff --git a/eng/Versions.props b/eng/Versions.props
index f3cec1cc89..f105226537 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -56,35 +56,35 @@
     <MicrosoftCodeCoverageVersion>17.4.1</MicrosoftCodeCoverageVersion>
     <!-- These versions are used for running unit tests, and running acceptance tests. They are also used as the default version for projects
     in TestAssets.sln to allow running and debugging tests in that solution directly in VS without having to run them via AcceptanceTests. -->
-    <MSTestTestFrameworkVersion>2.3.0-preview-20220711-02</MSTestTestFrameworkVersion>
-    <MSTestTestAdapterVersion>2.3.0-preview-20220711-02</MSTestTestAdapterVersion>
+    <MSTestTestFrameworkVersion>3.0.4</MSTestTestFrameworkVersion>
+    <MSTestTestAdapterVersion>3.0.4</MSTestTestAdapterVersion>
     <MSTestAssertExtensionVersion>1.0.3-preview</MSTestAssertExtensionVersion>
-    <XUnitFrameworkVersion>2.3.1</XUnitFrameworkVersion>
-    <XUnitAdapterVersion>2.3.1</XUnitAdapterVersion>
-    <XUnitConsoleRunnerVersion>2.3.1</XUnitConsoleRunnerVersion>
-    <NUnit3FrameworkVersion>3.10.1</NUnit3FrameworkVersion>
-    <NUnit3AdapterVersion>3.11.0</NUnit3AdapterVersion>
-    <NUnitConsoleRunnerVersion>3.8.0</NUnitConsoleRunnerVersion>
+    <XUnitFrameworkVersion>2.4.2</XUnitFrameworkVersion>
+    <XUnitAdapterVersion>2.4.5</XUnitAdapterVersion>
+    <XUnitConsoleRunnerVersion>2.4.2</XUnitConsoleRunnerVersion>
+    <NUnit3FrameworkVersion>3.13.3</NUnit3FrameworkVersion>
+    <NUnit3AdapterVersion>4.5.0</NUnit3AdapterVersion>
+    <NUnitConsoleRunnerVersion>3.16.3</NUnitConsoleRunnerVersion>
     <!--
       Versions that are used when building projects from TestAssets.sln for compatibility tests. See Invoke-TestAssetsBuild in scripts/build.ps1.
       Exact versions are used to avoid Nuget substituting them by closest match, if we make a typo.
       These versions need to be "statically" readable because we read this file as xml in our build and tests.
     -->
     <!-- <MSTestFrameworkLatestVersion></MSTestFrameworkLatestVersion> is not here, because we don't build MSTest locally, so we don't have access to the latest version. -->
-    <MSTestFrameworkLatestPreviewVersion>[2.3.0-preview-20220613-02]</MSTestFrameworkLatestPreviewVersion>
-    <MSTestFrameworkLatestStableVersion>[2.2.10]</MSTestFrameworkLatestStableVersion>
-    <MSTestFrameworkRecentStableVersion>[2.2.9]</MSTestFrameworkRecentStableVersion>
-    <MSTestFrameworkMostDownloadedVersion>[2.1.0]</MSTestFrameworkMostDownloadedVersion>
-    <MSTestFrameworkPreviousStableVersion>[2.1.0]</MSTestFrameworkPreviousStableVersion>
+    <MSTestFrameworkLatestPreviewVersion>[3.2.0-preview.23577.2]</MSTestFrameworkLatestPreviewVersion>
+    <MSTestFrameworkLatestStableVersion>[3.1.1]</MSTestFrameworkLatestStableVersion>
+    <MSTestFrameworkRecentStableVersion>[3.0.2]</MSTestFrameworkRecentStableVersion>
+    <MSTestFrameworkMostDownloadedVersion>[2.2.10]</MSTestFrameworkMostDownloadedVersion>
+    <MSTestFrameworkPreviousStableVersion>[2.1.2]</MSTestFrameworkPreviousStableVersion>
     <MSTestFrameworkLegacyStableVersion>[1.4.0]</MSTestFrameworkLegacyStableVersion>
     <!-- Versions that are used to restore previous versions of console, translation layer, and test.sdk for compatibility tests.
     See Invoke-TestAssetsBuild in scripts/build.ps1. Exact versions are used to avoid Nuget substituting them by closest match, if we make a typo.
     These versions need to be "statically" readable because we read this file as xml in our build and tests. -->
     <!-- <VSTestConsoleLatestVersion></VSTestConsoleLatestVersion> is not here, NETTestSdkVersion is used instead, because that is the version of the locally built latest package.  -->
-    <VSTestConsoleLatestPreviewVersion>[17.2.0-preview-20220401-08]</VSTestConsoleLatestPreviewVersion>
-    <VSTestConsoleLatestStableVersion>[17.2.0]</VSTestConsoleLatestStableVersion>
-    <VSTestConsoleRecentStableVersion>[17.1.0]</VSTestConsoleRecentStableVersion>
-    <VSTestConsoleMostDownloadedVersion>[16.6.1]</VSTestConsoleMostDownloadedVersion>
+    <VSTestConsoleLatestPreviewVersion>[17.9.0-preview-23531-01]</VSTestConsoleLatestPreviewVersion>
+    <VSTestConsoleLatestStableVersion>[17.8.0]</VSTestConsoleLatestStableVersion>
+    <VSTestConsoleRecentStableVersion>[17.7.0]</VSTestConsoleRecentStableVersion>
+    <VSTestConsoleMostDownloadedVersion>[17.5.0]</VSTestConsoleMostDownloadedVersion>
     <VSTestConsolePreviousStableVersion>[16.11.0]</VSTestConsolePreviousStableVersion>
     <VSTestConsoleLegacyStableVersion>[15.9.2]</VSTestConsoleLegacyStableVersion>
     <ILAsmPackageVersion>5.0.0</ILAsmPackageVersion>
diff --git a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreRunnerAttribute.cs b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreRunnerAttribute.cs
index 977ae98fbc..478c595d3d 100644
--- a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreRunnerAttribute.cs
+++ b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreRunnerAttribute.cs
@@ -65,8 +65,8 @@ public IEnumerable<object[]> GetData(MethodInfo methodInfo)
         return dataRows;
     }
 
-    public string GetDisplayName(MethodInfo methodInfo, object[] data)
+    public string GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data));
+        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data ?? Array.Empty<string>()));
     }
 }
diff --git a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreTargetFrameworkDataSourceAttribute.cs b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreTargetFrameworkDataSourceAttribute.cs
index eec13fe74c..5cc808dd7f 100644
--- a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreTargetFrameworkDataSourceAttribute.cs
+++ b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetCoreTargetFrameworkDataSourceAttribute.cs
@@ -81,8 +81,8 @@ public IEnumerable<object[]> GetData(MethodInfo methodInfo)
         return dataRows;
     }
 
-    public string GetDisplayName(MethodInfo methodInfo, object[] data)
+    public string GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data));
+        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data ?? Array.Empty<string>()));
     }
 }
diff --git a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFrameworkRunnerAttribute.cs b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFrameworkRunnerAttribute.cs
index 4d8b56c92e..3ade381b25 100644
--- a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFrameworkRunnerAttribute.cs
+++ b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFrameworkRunnerAttribute.cs
@@ -68,8 +68,8 @@ public IEnumerable<object[]> GetData(MethodInfo methodInfo)
         return dataRows;
     }
 
-    public string GetDisplayName(MethodInfo methodInfo, object[] data)
+    public string GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data));
+        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data ?? Array.Empty<string>()));
     }
 }
diff --git a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFullTargetFrameworkDataSourceAttribute.cs b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFullTargetFrameworkDataSourceAttribute.cs
index 0179019a1f..c38cdde9cf 100644
--- a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFullTargetFrameworkDataSourceAttribute.cs
+++ b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/NetFullTargetFrameworkDataSourceAttribute.cs
@@ -110,8 +110,8 @@ public IEnumerable<object[]> GetData(MethodInfo methodInfo)
         return dataRows;
     }
 
-    public string GetDisplayName(MethodInfo methodInfo, object[] data)
+    public string GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data));
+        return string.Format(CultureInfo.CurrentCulture, "{0} ({1})", methodInfo.Name, string.Join(",", data ?? Array.Empty<string>()));
     }
 }
diff --git a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/TestDataSourceAttribute.cs b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/TestDataSourceAttribute.cs
index 6f7a6adae2..90f520aeb3 100644
--- a/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/TestDataSourceAttribute.cs
+++ b/test/Microsoft.TestPlatform.Acceptance.IntegrationTests/Extension/TestDataSourceAttribute.cs
@@ -32,9 +32,9 @@ IEnumerable<object[]> ITestDataSource.GetData(MethodInfo methodInfo)
         return _data;
     }
 
-    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object[] data)
+    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return GetDisplayName(methodInfo, (T1)data[0]);
+        return GetDisplayName(methodInfo, (T1)data![0]!);
     }
 }
 
@@ -63,9 +63,9 @@ IEnumerable<object[]> ITestDataSource.GetData(MethodInfo methodInfo)
         return _data;
     }
 
-    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object[] data)
+    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return GetDisplayName(methodInfo, (T1)data[0], (T2)data[1]);
+        return GetDisplayName(methodInfo, (T1)data![0]!, (T2)data![1]!);
     }
 }
 
@@ -95,9 +95,9 @@ IEnumerable<object[]> ITestDataSource.GetData(MethodInfo methodInfo)
         return _data;
     }
 
-    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object[] data)
+    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return GetDisplayName(methodInfo, (T1)data[0], (T2)data[1], (T3)data[2]);
+        return GetDisplayName(methodInfo, (T1)data![0]!, (T2)data[1]!, (T3)data[2]!);
     }
 }
 
@@ -128,8 +128,8 @@ IEnumerable<object[]> ITestDataSource.GetData(MethodInfo methodInfo)
         return _data;
     }
 
-    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object[] data)
+    string ITestDataSource.GetDisplayName(MethodInfo methodInfo, object?[]? data)
     {
-        return GetDisplayName(methodInfo, (T1)data[0], (T2)data[1], (T3)data[2], (T4)data[3]);
+        return GetDisplayName(methodInfo, (T1)data![0]!, (T2)data[1]!, (T3)data[2]!, (T4)data[3]!);
     }
 }
diff --git a/test/Microsoft.TestPlatform.CrossPlatEngine.UnitTests/AttachmentsProcessing/DataCollectorAttachmentProcessorAppDomainTests.cs b/test/Microsoft.TestPlatform.CrossPlatEngine.UnitTests/AttachmentsProcessing/DataCollectorAttachmentProcessorAppDomainTests.cs
index eeef74233d..ca3ebea968 100644
--- a/test/Microsoft.TestPlatform.CrossPlatEngine.UnitTests/AttachmentsProcessing/DataCollectorAttachmentProcessorAppDomainTests.cs
+++ b/test/Microsoft.TestPlatform.CrossPlatEngine.UnitTests/AttachmentsProcessing/DataCollectorAttachmentProcessorAppDomainTests.cs
@@ -87,17 +87,18 @@ public async Task DataCollectorAttachmentProcessorAppDomain_ShouldReturnCorrectA
         Assert.IsTrue(dcap.LoadSucceded);
 
         var attachmentsResult = await dcap.ProcessAttachmentSetsAsync(doc.DocumentElement, attachments, new Progress<int>(), _loggerMock.Object, CancellationToken.None);
+        var firstAttachmentSet = attachmentsResult.First();
 
         // assert
         // We return same instance but we're marshaling so we expected different pointers
-        Assert.AreNotSame(attachmentSet, attachmentsResult);
+        Assert.AreNotSame(attachmentSet, firstAttachmentSet);
 
-        Assert.AreEqual(attachmentSet.DisplayName, attachmentsResult.First().DisplayName);
-        Assert.AreEqual(attachmentSet.Uri, attachmentsResult.First().Uri);
+        Assert.AreEqual(attachmentSet.DisplayName, firstAttachmentSet.DisplayName);
+        Assert.AreEqual(attachmentSet.Uri, firstAttachmentSet.Uri);
         Assert.AreEqual(attachmentSet.Attachments.Count, attachmentsResult.Count);
-        Assert.AreEqual(attachmentSet.Attachments[0].Description, attachmentsResult.First().Attachments[0].Description);
-        Assert.AreEqual(attachmentSet.Attachments[0].Uri, attachmentsResult.First().Attachments[0].Uri);
-        Assert.AreEqual(attachmentSet.Attachments[0].Uri, attachmentsResult.First().Attachments[0].Uri);
+        Assert.AreEqual(attachmentSet.Attachments[0].Description, firstAttachmentSet.Attachments[0].Description);
+        Assert.AreEqual(attachmentSet.Attachments[0].Uri, firstAttachmentSet.Attachments[0].Uri);
+        Assert.AreEqual(attachmentSet.Attachments[0].Uri, firstAttachmentSet.Attachments[0].Uri);
     }
 
     [TestMethod]
diff --git a/test/Microsoft.TestPlatform.Utilities.UnitTests/CodeCoverageDataAttachmentsHandlerTests.cs b/test/Microsoft.TestPlatform.Utilities.UnitTests/CodeCoverageDataAttachmentsHandlerTests.cs
index b6626f081b..0761e61d69 100644
--- a/test/Microsoft.TestPlatform.Utilities.UnitTests/CodeCoverageDataAttachmentsHandlerTests.cs
+++ b/test/Microsoft.TestPlatform.Utilities.UnitTests/CodeCoverageDataAttachmentsHandlerTests.cs
@@ -33,7 +33,7 @@ public class CodeCoverageDataAttachmentsHandlerTests
 
     public TestContext? TestContext { get; set; }
 
-    internal string TestFilesDirectory => Path.Combine(TestContext!.DeploymentDirectory, "TestFiles");
+    internal string TestFilesDirectory => Path.Combine(TestContext!.DeploymentDirectory!, "TestFiles");
 
     public CodeCoverageDataAttachmentsHandlerTests()
     {
@@ -50,19 +50,17 @@ public CodeCoverageDataAttachmentsHandlerTests()
 #endif
     }
 
-#if NETFRAMEWORK
     [ClassInitialize]
     public static void ClassInitialize(TestContext context)
     {
         // Copying test files to correct place,
         var assemblyPath = AppDomain.CurrentDomain.BaseDirectory;
-        var testFilesDirectory = Path.Combine(context.DeploymentDirectory, "TestFiles");
+        var testFilesDirectory = Path.Combine(context.DeploymentDirectory!, "TestFiles");
         Directory.CreateDirectory(testFilesDirectory);
         var files = Directory.GetFiles(Path.Combine(assemblyPath, "TestFiles"));
         foreach (var file in files)
             File.Copy(file, Path.Combine(testFilesDirectory, Path.GetFileName(file)));
     }
-#endif
 
     [TestMethod]
     public async Task HandleDataCollectionAttachmentSetsShouldReturnEmptySetWhenNoAttachmentsOrAttachmentsAreNull()
diff --git a/test/Microsoft.TestPlatform.Utilities.UnitTests/Microsoft.TestPlatform.Utilities.UnitTests.csproj b/test/Microsoft.TestPlatform.Utilities.UnitTests/Microsoft.TestPlatform.Utilities.UnitTests.csproj
index 01a6a79ab8..2ef1dbe427 100644
--- a/test/Microsoft.TestPlatform.Utilities.UnitTests/Microsoft.TestPlatform.Utilities.UnitTests.csproj
+++ b/test/Microsoft.TestPlatform.Utilities.UnitTests/Microsoft.TestPlatform.Utilities.UnitTests.csproj
@@ -15,7 +15,7 @@
     <ProjectReference Include="..\..\src\Microsoft.TestPlatform.Utilities\Microsoft.TestPlatform.Utilities.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeCoverage.IO" Version="17.3.1-beta.22253.3" />
+    <PackageReference Include="Microsoft.CodeCoverage.IO" Version="$(MicrosoftCodeCoverageIOVersion)" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net48' ">
     <Reference Include="System.Runtime" />