Fix all failures in System.CodeDom.Tests on ILC.

Author: Atsushi Kanamori

src/Common/tests/System/Collections/ICollection.NonGeneric.Tests.cs

@@ -208,7 +208,7 @@ public void ICollection_NonGeneric_CopyTo_TwoDimensionArray_ThrowsException(int
             }
         }
 
-        [Theory]
+        [ConditionalTheory(nameof(PlatformDetection) + "." + nameof(PlatformDetection.IsNonZeroLowerBoundArraySupported))]
         [MemberData(nameof(ValidCollectionSizes))]
         public virtual void ICollection_NonGeneric_CopyTo_NonZeroLowerBound(int count)
         {

src/System.CodeDom/tests/CodeObjects/CodeNamespaceTests.cs

@@ -33,6 +33,7 @@ public void Ctor_String(string name)
 		}
 
         [Fact]
+        [SkipOnTargetFramework(TargetFrameworkMonikers.UapAot, "Cannot do internal Reflection on framework types.")]
         public void Ctor_SerializationInfo_StreamingContext()
         {
             ConstructorInfo constructor = typeof(CodeNamespace).GetConstructor(BindingFlags.NonPublic | BindingFlags.Instance, null, new Type[] { typeof(SerializationInfo), typeof(StreamingContext) }, null);

src/System.CodeDom/tests/Compiler/CodeDomProviderTests.cs

@@ -129,10 +129,10 @@ public void CreateProvider_NullLanguage_ThrowsArgumentNullException()
         public void CreateProvider_NoSuchLanguage_ThrowsConfigurationErrorsException(string language)
         {
             Exception ex1 = Assert.ThrowsAny<Exception>(() => CodeDomProvider.CreateProvider(language));
-            Assert.Equal("ConfigurationErrorsException", ex1.GetType().Name);
+            AssertIsConfigurationErrorsException(ex1);
 
             Exception ex2 = Assert.ThrowsAny<Exception>(() => CodeDomProvider.CreateProvider(language, new Dictionary<string, string>()));
-            Assert.Equal("ConfigurationErrorsException", ex2.GetType().Name);
+            AssertIsConfigurationErrorsException(ex2);
         }
 
         [Theory]
@@ -187,7 +187,7 @@ public void GetLanguageFromExtension_NullExtension_ThrowsArgumentNullException()
         public void GetLanguageFromExtension_NoSuchExtension_ThrowsConfigurationErrorsException(string extension)
         {
             Exception ex = Assert.ThrowsAny<Exception>(() => CodeDomProvider.GetLanguageFromExtension(extension));
-            Assert.Equal("ConfigurationErrorsException", ex.GetType().Name);
+            AssertIsConfigurationErrorsException(ex);
         }
 
         [Theory]
@@ -241,7 +241,7 @@ public void GetCompilerInfo_NullLanguage_ThrowsArgumentNullException()
         public void GetCompilerInfo_NoSuchExtension_ThrowsKeyNotFoundException(string language)
         {
             Exception ex = Assert.ThrowsAny<Exception>(() => CodeDomProvider.GetCompilerInfo(language));
-            Assert.Equal("ConfigurationErrorsException", ex.GetType().Name);
+            AssertIsConfigurationErrorsException(ex);
         }
 
         [Fact]
@@ -418,6 +418,14 @@ public void Parse_NullParser_ThrowsNotImplementedException()
             Assert.Throws<NotImplementedException>(() => new NullProvider().Parse(new StringReader("abc")));
         }
 
+        private static void AssertIsConfigurationErrorsException(Exception ex)
+        {
+            if (!PlatformDetection.IsNetNative) // Can't do internal Reflection
+            {
+                Assert.Equal("ConfigurationErrorsException", ex.GetType().Name);
+            }
+        }
+
         protected class NullProvider : CodeDomProvider
         {
 #pragma warning disable 0672