Fixed typos in ActiveRecord

activerecord/test/cases/adapter_test.rb

@@ -114,7 +114,7 @@ class << @connection
       end
     end
 
-    # test resetting sequences in odd tables in postgreSQL
+    # test resetting sequences in odd tables in PostgreSQL
     if ActiveRecord::Base.connection.respond_to?(:reset_pk_sequence!)
       require 'models/movie'
       require 'models/subscriber'
@@ -167,7 +167,7 @@ def test_disable_referential_integrity
           else
             @connection.execute "INSERT INTO fk_test_has_fk (fk_id) VALUES (0)"
           end
-          # should deleted created record as otherwise disable_referential_integrity will try to enable contraints after executed block
+          # should delete created record as otherwise disable_referential_integrity will try to enable constraints after executed block
           # and will fail (at least on Oracle)
           @connection.execute "DELETE FROM fk_test_has_fk"
         end

activerecord/test/cases/autosave_association_test.rb

@@ -439,7 +439,7 @@ def test_assign_ids
   end
 
   def test_assign_ids_for_through_a_belongs_to
-    post = Post.new(:title => "Assigning IDs works!", :body => "You heared it here first, folks!")
+    post = Post.new(:title => "Assigning IDs works!", :body => "You heard it here first, folks!")
     post.person_ids = [people(:david).id, people(:michael).id]
     post.save
     post.reload
@@ -1335,7 +1335,7 @@ def setup
     assert !@pirate.valid?
   end
 
-  test "should not automatically asd validate associations without :validate => true" do
+  test "should not automatically add validate associations without :validate => true" do
     assert @pirate.valid?
     @pirate.non_validated_ship.name = ''
     assert @pirate.valid?

activerecord/test/cases/batches_test.rb

@@ -68,7 +68,7 @@ def test_find_in_batches_should_start_from_the_start_option
     end
   end
 
-  def test_find_in_batches_shouldnt_excute_query_unless_needed
+  def test_find_in_batches_shouldnt_execute_query_unless_needed
     post_count = Post.count
 
     assert_queries(2) do