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Author: Youssef1313

src/Compilers/CSharp/Test/Symbol/Symbols/TypeResolutionTests.cs

@@ -100,7 +100,6 @@ public class TestClass
             Assert.Same(c1TestClassT, c4.GetTypeByMetadataName("System.TestClass`1"));
         }
 
-        [SuppressMessage("Design", "CA1052:Static holder types should be Static or NotInheritable", Justification = "Make sure test behavior isn't changed.")]
         public class C<S, T>
         {
             public class D

src/Compilers/CSharp/csc/Program.cs

@@ -9,7 +9,7 @@
 
 namespace Microsoft.CodeAnalysis.CSharp.CommandLine
 {
-    public static class Program
+    public class Program
     {
         public static int Main(string[] args)
         {

src/Compilers/Core/CodeAnalysisTest/Analyzers/AnalyzerFileReferenceTests.cs

@@ -620,7 +620,7 @@ public class TestGenerator : ISourceGenerator
             public void Initialize(GeneratorInitializationContext context) => throw new NotImplementedException();
         }
 
-        public static class SomeType
+        public class SomeType
         {
             [DiagnosticAnalyzer(LanguageNames.CSharp, LanguageNames.VisualBasic)]
             public class NestedAnalyzer : DiagnosticAnalyzer

src/Compilers/Core/CodeAnalysisTest/Collections/List/SegmentedList.Generic.Tests.Misc.cs

@@ -20,7 +20,7 @@ namespace Microsoft.CodeAnalysis.UnitTests.Collections
     /// <summary>
     /// Contains tests that ensure the correctness of the List class.
     /// </summary>
-    public static class SegmentedList_Generic_Tests_Insert
+    public class SegmentedList_Generic_Tests_Insert
     {
         internal class Driver<T>
         {