Revert "Fix main build break AGAIN (dotnet#79559)"

This reverts commit e67e2a4, reversing
changes made to 1a74e66.

Author: CyrusNajmabadi

src/Features/CSharpTest/CodeActions/AbstractCSharpCodeActionTest_NoEditor.cs

@@ -19,4 +19,13 @@ public abstract class AbstractCSharpCodeActionTest_NoEditor : AbstractCodeAction
     protected override ParseOptions GetScriptOptions() => TestOptions.Script;
 
     protected internal override string GetLanguage() => LanguageNames.CSharp;
+
+    internal new Task TestInRegularAndScript1Async(
+        [StringSyntax(PredefinedEmbeddedLanguageNames.CSharpTest)] string initialMarkup,
+        [StringSyntax(PredefinedEmbeddedLanguageNames.CSharpTest)] string expectedMarkup,
+        int index = 0,
+        TestParameters? parameters = null)
+    {
+        return base.TestInRegularAndScript1Async(initialMarkup, expectedMarkup, index, parameters);
+    }
 }

src/Features/CSharpTest/ConvertLocalFunctionToMethod/ConvertLocalFunctionToMethodTests.cs

@@ -1099,7 +1099,7 @@ private static void M2([A(nameof(b), P = nameof(b))] string b)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters1()
-        => TestInRegularAndScriptAsync(
+        => TestInRegularAndScript1Async(
             """
             class C
             {
@@ -1135,7 +1135,7 @@ private static string GetFullString(string begin, bool exclamation = false)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters2()
-        => TestInRegularAndScriptAsync(
+        => TestInRegularAndScript1Async(
             """
             class C
             {
@@ -1171,7 +1171,7 @@ private static string GetFullString(string begin, bool exclamation = false)
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters3()
-        => TestInRegularAndScriptAsync(
+        => TestInRegularAndScript1Async(
             """
             class C
             {
@@ -1207,7 +1207,7 @@ private static string GetFullString(string required, string begin, bool exclamat
 
     [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/76562")]
     public Task TestOptionalParameters4()
-        => TestInRegularAndScriptAsync(
+        => TestInRegularAndScript1Async(
             """
             class C
             {