Add spec covering non-bson-ruby conversion

Author: johnnyshields

spec/mongoid/criteria/queryable/selector_spec.rb

@@ -417,6 +417,17 @@ def localized?
             end
           end
 
+          context "and raw_value cannot be converted by bson-ruby" do
+
+            before do
+              selector.send(method, "key", Mongoid::RawValue(4..5))
+            end
+
+            it "returns the raw_value without conversion" do
+              expect(selector["key"]).to eq(4..5)
+            end
+          end
+
           context "and raw_value is a complex type" do
             config_override :map_big_decimal_to_decimal128, true
 
@@ -665,6 +676,17 @@ def localized?
                   end
                 end
 
+                context "and raw_value cannot be converted by bson-ruby" do
+
+                  before do
+                    selector.send(method, "key", Mongoid::RawValue(4..5))
+                  end
+
+                  it "returns the raw_value without conversion" do
+                    expect(selector["key"]).to eq(4..5)
+                  end
+                end
+
                 context "and raw_value is a complex type" do
 
                   before do