Fix typo in test name and documentation

activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb

@@ -30,7 +30,7 @@ def test_valid_column
         assert @conn.valid_type?(column.type)
       end
 
-      # sqlite databses should be able to support any type and not
+      # sqlite databases should be able to support any type and not
       # just the ones mentioned in the native_database_types. 
       # Therefore test_invalid column should always return true 
       # even if the type is not valid.

activerecord/test/cases/associations_test.rb

@@ -217,7 +217,7 @@ def test_create_with_bang_via_association_with_block
     assert_equal post.body, "More cool stuff!"
   end
 
-  def test_reload_returns_assocition
+  def test_reload_returns_association
     david = developers(:david)
     assert_nothing_raised do
       assert_equal david.projects, david.projects.reload.reload