Merge pull request #1748 from thomaslevesque/fix-contains-argument-constraint

Restore Contains argument constraint to compare characters by ordinal

Author: blairconrad

src/FakeItEasy/ArgumentConstraintManagerExtensions.cs

@@ -81,7 +81,7 @@ public static string Contains(this IArgumentConstraintManager<string> manager, s
             Guard.AgainstNull(value, nameof(value));
 
 #if FEATURE_STRING_CONTAINS_COMPARISONTYPE
-            return manager.NullCheckedMatches(x => x.Contains(value, StringComparison.CurrentCulture), x => x.Write("string that contains ").WriteArgumentValue(value));
+            return manager.NullCheckedMatches(x => x.Contains(value, StringComparison.Ordinal), x => x.Write("string that contains ").WriteArgumentValue(value));
 #else
             return manager.NullCheckedMatches(x => x.Contains(value), x => x.Write("string that contains ").WriteArgumentValue(value));
 #endif