Kind of reverting https://github.com/rails/rails/commit/3a1cbc5c3b3bcb2de4be6e4469bb87b99759dc59

```
From: test/cases/date_test.rb @ line 26 :

    21:
    22:     invalid_dates = [[2007, 11, 31], [1993, 2, 29], [2007, 2, 29]]
    23:
    24:     valid_dates.each do |date_src|
    25:       topic = Topic.new("last_read(1i)" => date_src[0].to_s, "last_read(2i)" => date_src[1].to_s, "last_read(3i)" => date_src[2].to_s)
 => 26:       binding.irb
    27:       assert_equal(topic.last_read, Date.new(*date_src))
    28:     end
    29:
    30:     invalid_dates.each do |date_src|
    31:       assert_nothing_raised do

irb(#<DateTest:0x0000556618194668>):001:0> topic.last_read.class
=> Date
```

Refer rsim/oracle-enhanced#845
rails/rails#25897