Update SA1110 for static anonymous functions

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test.CSharp9/ReadabilityRules/SA1110CSharp9UnitTests.cs

@@ -130,6 +130,41 @@ public async Task TestPrimaryConstructorBaseListWithoutParametersAsync(string ty
             await VerifyCSharpFixAsync(testCode, expected, fixedCode, CancellationToken.None).ConfigureAwait(false);
         }
 
+        [Fact]
+        [WorkItem(3973, "https://github.com/DotNetAnalyzers/StyleCopAnalyzers/issues/3973")]
+        public async Task TestStaticAnonymousMethodOpeningParenthesisOnNextLineAsync()
+        {
+            var testCode = @"using System;
+
+public class TestClass
+{
+    public void TestMethod()
+    {
+        Action<int> action = static delegate
+            {|#0:(|}int value)
+            {
+            };
+    }
+}
+";
+
+            var fixedCode = @"using System;
+
+public class TestClass
+{
+    public void TestMethod()
+    {
+        Action<int> action = static delegate(
+            int value)
+            {
+            };
+    }
+}
+";
+
+            await VerifyCSharpFixAsync(testCode, Diagnostic().WithLocation(0), fixedCode, CancellationToken.None).ConfigureAwait(false);
+        }
+
         protected virtual DiagnosticResult[] GetExpectedResultTestPrimaryConstructor()
         {
             return new[]