re-enable configuration only tests

Author: lbargaoanu

src/UnitTests/AutoMapperSpecBase.cs

@@ -43,6 +43,7 @@ public static void AddIgnoreMapAttribute(this IMapperConfigurationExpression con
 public abstract class AutoMapperSpecBase : NonValidatingSpecBase
 {
     protected override void OnConfig(MapperConfiguration mapperConfiguration) => mapperConfiguration.AssertConfigurationIsValid();
+    protected override void AssertConfigurationIsValid() => Configuration.Internal();
 }
 
 public abstract class NonValidatingSpecBase : SpecBase
@@ -60,7 +61,7 @@ IMapper CreateMapper()
     protected virtual void OnConfig(MapperConfiguration mapperConfiguration) { }
     protected TDestination Map<TDestination>(object source) => Mapper.Map<TDestination>(source);
     protected TypeMap FindTypeMapFor<TSource, TDestination>() => Configuration.FindTypeMapFor<TSource, TDestination>();
-    protected void AssertConfigurationIsValid() => Configuration.AssertConfigurationIsValid();
+    protected virtual void AssertConfigurationIsValid() => Configuration.AssertConfigurationIsValid();
     protected void AssertConfigurationIsValid<TSource, TDestination>() => Configuration.AssertConfigurationIsValid(Configuration.FindTypeMapFor<TSource, TDestination>());
     protected void AssertConfigurationIsValid(Type sourceType, Type destinationType) => Configuration.AssertConfigurationIsValid(Configuration.FindTypeMapFor(sourceType, destinationType));
     public void AssertConfigurationIsValid(string profileName) => Configuration.AssertConfigurationIsValid(profileName);

src/UnitTests/Bug/AssertConfigurationIsValidNullables.cs

@@ -19,5 +19,7 @@ class Destination
         {
             cfg.CreateMap<Source, Destination>();
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 }

src/UnitTests/Bug/CaseSensitivityBug.cs

@@ -17,5 +17,7 @@ public class Bar
         {
             public int id { get; set; }
         }
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 }

src/UnitTests/Bug/DuplicateExtensionMethods.cs

@@ -38,5 +38,7 @@ class Destination
         {
             cfg.CreateMap<Source, Destination>();
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 }

src/UnitTests/Bug/InitializeNRE.cs

@@ -33,6 +33,8 @@ public class Destination
             cfg.ConstructServicesUsing(t => new Res());
             cfg.CreateMap<Source, Destination>().ForMember(d => d.Value, o => o.MapFrom<IRes>());
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 
 
@@ -60,5 +62,7 @@ public class TestViewModel
         {
             cfg.CreateMap<TestEntity, TestViewModel>();
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 }

src/UnitTests/Bug/JsonNet.cs

@@ -190,5 +190,7 @@ class Destination
         {
             cfg.CreateMap<Source, Destination>();
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 }

src/UnitTests/Bug/MapFromClosureBug.cs

@@ -2,6 +2,7 @@
 {
     using System;
     using Shouldly;
+    using Xunit;
 
     public class MapFromClosureBug : SpecBaseBase
     {
@@ -45,7 +46,7 @@ public class BookingDto
         {
             public int? Total { get; set; }
         }
-
+        [Fact]
         public void Should_map_successfully()
         {
             var mapperConfiguration = new MapperConfiguration(cfg =>
@@ -66,6 +67,5 @@ public void Should_map_successfully()
             // Assert
             dto.ShouldNotBeNull();
         }
-
     }
 }

src/UnitTests/Bug/NullableDateTime.cs

@@ -32,6 +32,8 @@ public class Destination
                     opt.MapFrom(src => src.Bars.Min(b => b.Bar));
                 });
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 
     public class FromDateToNullableDateTime : AutoMapperSpecBase

src/UnitTests/CollectionMapping.cs

@@ -702,6 +702,8 @@ public class SpecificDestinationItem : DestinationItemBase
             cfg.CreateMap<SourceItem, SpecificDestinationItem>();
             cfg.CreateMap<Source, Destination>();
         });
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 
     public class When_passing_a_not_empty_collection : AutoMapperSpecBase

src/UnitTests/ConditionalMapping.cs

@@ -58,6 +58,8 @@ class DestinationClass : Interface
 
             public int PublicProperty { get; set; }
         }
+        [Fact]
+        public void Validate() => AssertConfigurationIsValid();
     }
 
     public class When_configuring_a_member_to_skip_based_on_the_property_value : AutoMapperSpecBase