Ticket #10855: drop_table_force_test.diff

a/activerecord/test/migration_test.rb

@@ -188 +188 @@
-      assert !Person.connection.tables.include?(:test_drop_table)
-    end
-
+    if current_adapter?(:PostgreSQLAdapter)
+      def test_drop_table_force
+        assert_nothing_raised do
+          Person.connection.drop_table :does_not_exist, :force => true
+        end
+      end
+    end
+
-    # SQL Server, Sybase, and SQLite3 will not allow you to add a NOT NULL
-    # column to a table without a default value.
-    unless current_adapter?(:SQLServerAdapter, :SybaseAdapter, :SQLiteAdapter)