Add workarounds for 3rd parties not respecting Class#name

lib/mutant/matcher/namespace.rb

@@ -52,6 +52,24 @@ module Mutant
         end
       end
 
+      # Test for bogus class
+      #
+      # FIXME: Remove this hack once bogus is fixed!
+      #
+      # @param [Object] object
+      #
+      # @return [true]
+      #   if is a bogous class
+      #
+      # @return [false]
+      #   otherwise
+      #
+      # @api private
+      #
+      def self.bogous?(object)
+        defined?(Bogus::Fake) && object == Bogus::Fake
+      end
+
       # Yield scope if name matches pattern
       #
       # @param [Module,Class] scope
@@ -61,6 +79,10 @@ module Mutant
       # @api private
       #
       def emit_scope(scope)
+        return if self.class.bogous?(scope)
+        name = scope.name
+        # FIXME Fix nokogiri!
+        return unless name.kind_of?(String)
         if pattern =~ scope.name
           yield scope
         end