Remove warnings about redefined test methods

[#6490 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

activesupport/test/inflector_test.rb

@@ -51,21 +51,21 @@ def test_uncountable_word_is_not_greedy
   end
 
   SingularToPlural.each do |singular, plural|
-    define_method "test_pluralize_#{singular}" do
+    define_method "test_pluralize_singular_#{singular}" do
       assert_equal(plural, ActiveSupport::Inflector.pluralize(singular))
       assert_equal(plural.capitalize, ActiveSupport::Inflector.pluralize(singular.capitalize))
     end
   end
 
   SingularToPlural.each do |singular, plural|
-    define_method "test_singularize_#{plural}" do
+    define_method "test_singularize_plural_#{plural}" do
       assert_equal(singular, ActiveSupport::Inflector.singularize(plural))
       assert_equal(singular.capitalize, ActiveSupport::Inflector.singularize(plural.capitalize))
     end
   end
-  
+
   SingularToPlural.each do |singular, plural|
-    define_method "test_pluralize_#{plural}" do
+    define_method "test_pluralize_plural_#{plural}" do
       assert_equal(plural, ActiveSupport::Inflector.pluralize(plural))
       assert_equal(plural.capitalize, ActiveSupport::Inflector.pluralize(plural.capitalize))
     end