Fix code analysis warnings

Author: YevgeniyShunevych

src/Atata.Configuration.Json.Tests/CustomJsonConfig.cs

@@ -14,11 +14,11 @@ public class CustomJsonConfig : JsonConfig<CustomJsonConfig>
 
         public string[] StringArrayValues { get; set; }
 
-        public List<string> StringListValues { get; set; }
+        public List<string> StringListValues { get; } = new List<string>();
 
         public CustomSection Section { get; set; }
 
-        public List<CustomItemSection> Items { get; set; }
+        public List<CustomItemSection> Items { get; } = new List<CustomItemSection>();
 
         public class CustomSection
         {

src/Atata.Configuration.Json.Tests/GlobalSuppressions.cs

@@ -0,0 +1,6 @@
+// This file is used by Code Analysis to maintain SuppressMessage
+// attributes that are applied to this project.
+// Project-level suppressions either have no target or are given
+// a specific target and scoped to a namespace, type, member, etc.
+
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Performance", "CA1819:Properties should not return arrays", Justification = "<Pending>", Scope = "member", Target = "~P:Atata.Configuration.Json.Tests.CustomJsonConfig.StringArrayValues")]

src/Atata.ruleset

@@ -86,6 +86,7 @@
   <Rules AnalyzerId="StyleCop.Analyzers" RuleNamespace="StyleCop.Analyzers">
     <Rule Id="SA0001" Action="None" />
     <Rule Id="SA1101" Action="None" />
+    <Rule Id="SA1135" Action="None" />
     <Rule Id="SA1200" Action="None" />
     <Rule Id="SA1202" Action="None" />
     <Rule Id="SA1404" Action="None" />