Use Property instead of Method for a test property name

Author: sharwell

DocumentationAnalyzers/DocumentationAnalyzers.Test/RefactoringRules/DOC900UnitTests.cs

@@ -234,15 +234,15 @@ class TestClass {
     ///$$ <summary>
     /// Provide a `value`.
     /// </summary>
-    int Method => 3;
+    int Property => 3;
 }
 ";
             var fixedCode = @"
 class TestClass {
     ///$$ <summary>
     /// Provide a <c>value</c>.
     /// </summary>
-    int Method => 3;
+    int Property => 3;
 }
 ";