Use subclass instead of overriding methods directly.

test/test_helper.rb

@@ -310,15 +310,17 @@ class PlaceReverseGeocodedWithCustomLookup < ActiveRecord::Base
 end
 
 
-class Test::Unit::TestCase
+class GeocoderTestCase < Test::Unit::TestCase
 
   def setup
+    super
     Geocoder.configure(:maxmind => {:service => :city_isp_org})
   end
 
   def teardown
     Geocoder.send(:remove_const, :Configuration)
     load "geocoder/configuration.rb"
+    super
   end
 
   def geocoded_object_params(abbrev)

test/unit/active_record_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class ActiveRecordTest < Test::Unit::TestCase
+class ActiveRecordTest < GeocoderTestCase
 
   def test_exclude_condition_when_model_has_a_custom_primary_key
     venue = PlaceWithCustomPrimaryKey.new(*geocoded_object_params(:msg))

test/unit/cache_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class CacheTest < Test::Unit::TestCase
+class CacheTest < GeocoderTestCase
 
   def test_second_occurrence_of_request_is_cache_hit
     Geocoder.configure(:cache => {})

test/unit/calculations_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class CalculationsTest < Test::Unit::TestCase
+class CalculationsTest < GeocoderTestCase
   def setup
     Geocoder.configure(
       :units => :mi,

test/unit/configuration_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class ConfigurationTest < Test::Unit::TestCase
+class ConfigurationTest < GeocoderTestCase
   def setup
     Geocoder::Configuration.set_defaults
   end

test/unit/error_handling_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class ErrorHandlingTest < Test::Unit::TestCase
+class ErrorHandlingTest < GeocoderTestCase
 
   def teardown
     Geocoder.configure(:always_raise => [])

test/unit/geocoder_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class GeocoderTest < Test::Unit::TestCase
+class GeocoderTest < GeocoderTestCase
 
   def test_distance_to_returns_float
     v = Place.new(*geocoded_object_params(:msg))

test/unit/https_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class HttpsTest < Test::Unit::TestCase
+class HttpsTest < GeocoderTestCase
 
   def test_uses_https_for_secure_query
     Geocoder.configure(:use_https => true)

test/unit/ip_address_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class IpAddressTest < Test::Unit::TestCase
+class IpAddressTest < GeocoderTestCase
 
   def test_valid
     assert Geocoder::IpAddress.new("232.65.123.94").valid?

test/unit/lookup_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class LookupTest < Test::Unit::TestCase
+class LookupTest < GeocoderTestCase
 
   def test_responds_to_name_method
     Geocoder::Lookup.all_services.each do |l|

test/unit/lookups/bing_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class BingTest < Test::Unit::TestCase
+class BingTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :bing)

test/unit/lookups/dstk_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class DstkTest < Test::Unit::TestCase
+class DstkTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :dstk)

test/unit/lookups/esri_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class EsriTest < Test::Unit::TestCase
+class EsriTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :esri)

test/unit/lookups/freegeoip_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class FreegeoipTest < Test::Unit::TestCase
+class FreegeoipTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(ip_lookup: :freegeoip)

test/unit/lookups/geocoder_ca_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class GeocoderCaTest < Test::Unit::TestCase
+class GeocoderCaTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :geocoder_ca)

test/unit/lookups/geocodio_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class GeocodioTest < Test::Unit::TestCase
+class GeocodioTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :geocodio)

test/unit/lookups/google_premier_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class GooglePremierTest < Test::Unit::TestCase
+class GooglePremierTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :google_premier)

test/unit/lookups/google_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class GoogleTest < Test::Unit::TestCase
+class GoogleTest < GeocoderTestCase
 
   def test_google_result_components
     result = Geocoder.search("Madison Square Garden, New York, NY").first

test/unit/lookups/mapquest_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class MapquestTest < Test::Unit::TestCase
+class MapquestTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(lookup: :mapquest)

test/unit/lookups/maxmind_local_test.rb

 # encoding: utf-8
 require 'test_helper'
 
-class MaxmindLocalTest < Test::Unit::TestCase
+class MaxmindLocalTest < GeocoderTestCase
 
   def setup
     Geocoder.configure(ip_lookup: :maxmind_local)