Update deprecated usage

Author: mythz

tests/ServiceStack.Text.Tests/DictionaryTests.cs

@@ -529,7 +529,7 @@ public void Can_serialize_string_string_Dictionary_with_UTF8()
         public void Can_Deserialize_Object_To_Dictionary()
         {
             const string json = "{\"Id\":1}";
-            var d = json.To<Dictionary<string, string>>();
+            var d = json.ConvertTo<Dictionary<string, string>>();
             Assert.That(d.ContainsKey("Id"));
             Assert.That(d["Id"], Is.EqualTo("1"));
         }

tests/ServiceStack.Text.Tests/EnumTests.cs

@@ -152,7 +152,7 @@ public void Can_serialize_different_enum_styles()
             Assert.That("DoubleWord".FromJson<EnumStyles>(), Is.EqualTo(EnumStyles.DoubleWord));
             Assert.That("Underscore_Words".FromJson<EnumStyles>(), Is.EqualTo(EnumStyles.Underscore_Words));
 
-            using (JsConfig.With(new Config { EmitLowercaseUnderscoreNames = true}))
+            using (JsConfig.With(new Config { TextCase = TextCase.SnakeCase }))
             {
                 Assert.That("Double_Word".FromJson<EnumStyles>(), Is.EqualTo(EnumStyles.DoubleWord));
                 Assert.That("Underscore_Words".FromJson<EnumStyles>(), Is.EqualTo(EnumStyles.Underscore_Words));

tests/ServiceStack.Text.Tests/ExpandoTests.cs

@@ -176,7 +176,7 @@ public void Can_Deserialize_Object_To_ExpandoObject()
         {
             JsConfig.TryToParsePrimitiveTypeValues = true;
             const string json = "{\"Id\":1}";
-            dynamic d = json.To<ExpandoObject>();
+            dynamic d = json.ConvertTo<ExpandoObject>();
             Assert.That(d.Id, Is.Not.Null);
             Assert.That(d.Id, Is.EqualTo(1));
         }

tests/ServiceStack.Text.Tests/JsConfigTests.cs

@@ -210,7 +210,7 @@ public class JsConfigCreateTests
         public void Does_create_scope_from_string()
         {
             var scope = JsConfig.CreateScope("emitlowercaseunderscorenames,IncludeNullValues:false,ExcludeDefaultValues:0,IncludeDefaultEnums:1");
-            Assert.That(scope.EmitLowercaseUnderscoreNames);
+            Assert.That(scope.TextCase, Is.EqualTo(TextCase.SnakeCase));
             Assert.That(!scope.IncludeNullValues);
             Assert.That(!scope.ExcludeDefaultValues);
             Assert.That(scope.IncludeDefaultEnums);
@@ -228,7 +228,7 @@ public void Does_create_scope_from_string()
         public void Does_create_scope_from_string_using_CamelCaseHumps()
         {
             var scope = JsConfig.CreateScope("eccn,inv:false,edv:0,ide:1");
-            Assert.That(scope.EmitCamelCaseNames);
+            Assert.That(scope.TextCase, Is.EqualTo(TextCase.CamelCase));
             Assert.That(!scope.IncludeNullValues);
             Assert.That(!scope.ExcludeDefaultValues);
             Assert.That(scope.IncludeDefaultEnums);