Fix table name in SQLite test

This was copied from tests from another adapter, but the table
name needs to be adjusted to something that is removed after the
test.

spec/adapters/sqlite_spec.rb

@@ -88,9 +88,9 @@
   end
 
   it "should support creating generated columns" do
-    @db.create_table(:tmp_dolls){Integer :a; Integer :b; Integer :c, :generated_always_as=>Sequel[:a] * 2 + :b + 1; Integer :d, :generated_always_as=>Sequel[:a] * 2 + :b + 2, :generated_type=>:stored; ; Integer :e, :generated_always_as=>Sequel[:a] * 2 + :b + 3, :generated_type=>:virtual}
-    @db[:tmp_dolls].insert(:a=>100, :b=>10)
-    @db[:tmp_dolls].select_order_map([:a, :b, :c, :d, :e]).must_equal [[100, 10, 211, 212, 213]]
+    @db.create_table!(:fk){Integer :a; Integer :b; Integer :c, :generated_always_as=>Sequel[:a] * 2 + :b + 1; Integer :d, :generated_always_as=>Sequel[:a] * 2 + :b + 2, :generated_type=>:stored; ; Integer :e, :generated_always_as=>Sequel[:a] * 2 + :b + 3, :generated_type=>:virtual}
+    @db[:fk].insert(:a=>100, :b=>10)
+    @db[:fk].select_order_map([:a, :b, :c, :d, :e]).must_equal [[100, 10, 211, 212, 213]]
   end if DB.sqlite_version >= 33100
 end