Move newly added multiparameter tests to base_test file

All other multiparameter assignment tests are in the same file, so it
makes sense to have all of them here.

activerecord/test/cases/attribute_methods_test.rb

@@ -791,42 +791,8 @@ def title=(val); self.author_name = val; end
     assert_equal "lol", topic.author_name
   end
 
-  def test_setting_time_attribute
-    return skip "Oracle does not have TIME data type" if current_adapter? :OracleAdapter
-
-    topic = Topic.new( "bonus_time(4i)"=> "01", "bonus_time(5i)" => "05" )
-    assert_equal 1, topic.bonus_time.hour
-    assert_equal 5, topic.bonus_time.min
-  end
-
-  def test_setting_date_attribute
-    topic = Topic.new( "written_on(1i)" => "1952", "written_on(2i)" => "3", "written_on(3i)" => "11" )
-    assert_equal 1952, topic.written_on.year
-    assert_equal 3, topic.written_on.month
-    assert_equal 11, topic.written_on.day
-  end
-
-  def test_setting_date_and_time_attribute
-    topic = Topic.new(
-        "written_on(1i)" => "1952",
-        "written_on(2i)" => "3",
-        "written_on(3i)" => "11",
-        "written_on(4i)" => "13",
-        "written_on(5i)" => "55")
-    assert_equal 1952, topic.written_on.year
-    assert_equal 3, topic.written_on.month
-    assert_equal 11, topic.written_on.day
-    assert_equal 13, topic.written_on.hour
-    assert_equal 55, topic.written_on.min
-  end
-
-  def test_setting_time_but_not_date_on_date_field
-    assert_raise( ActiveRecord::MultiparameterAssignmentErrors ) do
-      Topic.new( "written_on(4i)" => "13", "written_on(5i)" => "55" )
-    end
-  end
-
   private
+
   def cached_columns
     Topic.columns.find_all { |column|
       !Topic.serialized_attributes.include? column.name

activerecord/test/cases/base_test.rb

@@ -872,6 +872,41 @@ def test_multiparameter_attributes_on_time_with_empty_seconds
     assert_equal Time.local(2004, 6, 24, 16, 24, 0), topic.written_on
   end
 
+  def test_multiparameter_attributes_setting_time_attribute
+    return skip "Oracle does not have TIME data type" if current_adapter? :OracleAdapter
+
+    topic = Topic.new( "bonus_time(4i)"=> "01", "bonus_time(5i)" => "05" )
+    assert_equal 1, topic.bonus_time.hour
+    assert_equal 5, topic.bonus_time.min
+  end
+
+  def test_multiparameter_attributes_setting_date_attribute
+    topic = Topic.new( "written_on(1i)" => "1952", "written_on(2i)" => "3", "written_on(3i)" => "11" )
+    assert_equal 1952, topic.written_on.year
+    assert_equal 3, topic.written_on.month
+    assert_equal 11, topic.written_on.day
+  end
+
+  def test_multiparameter_attributes_setting_date_and_time_attribute
+    topic = Topic.new(
+        "written_on(1i)" => "1952",
+        "written_on(2i)" => "3",
+        "written_on(3i)" => "11",
+        "written_on(4i)" => "13",
+        "written_on(5i)" => "55")
+    assert_equal 1952, topic.written_on.year
+    assert_equal 3, topic.written_on.month
+    assert_equal 11, topic.written_on.day
+    assert_equal 13, topic.written_on.hour
+    assert_equal 55, topic.written_on.min
+  end
+
+  def test_multiparameter_attributes_setting_time_but_not_date_on_date_field
+    assert_raise( ActiveRecord::MultiparameterAssignmentErrors ) do
+      Topic.new( "written_on(4i)" => "13", "written_on(5i)" => "55" )
+    end
+  end
+
   def test_multiparameter_assignment_of_aggregation_with_missing_values
     ex = assert_raise(ActiveRecord::MultiparameterAssignmentErrors) do
       customer = Customer.new