Transaction rollback failing

run.txt

TransactionTest
  test:Transaction should properly save record.                   PASS (0.07s)
Validation failed: Url can't be blank
  test:Transaction should rollback record.                        FAIL (0.03s)
        Expected: false
          Actual: true
        minitest (5.14.1) lib/minitest/assertions.rb:183:in `assert'
        minitest (5.14.1) lib/minitest/assertions.rb:218:in `assert_equal'
        test/test_helper.rb:129:in `assert_equal'
        test/transaction_test.rb:25:in `block in <class:TransactionTest>'
        test/transaction_test.rb:23:in `instance_exec'
        test/transaction_test.rb:23:in `block in create_test_from_should_hash'
        minitest (5.14.1) lib/minitest/test.rb:98:in `block (3 levels) in run'
        minitest (5.14.1) lib/minitest/test.rb:195:in `capture_exceptions'
        minitest (5.14.1) lib/minitest/test.rb:95:in `block (2 levels) in run'
        minitest (5.14.1) lib/minitest.rb:272:in `time_it'
        minitest (5.14.1) lib/minitest/test.rb:94:in `block in run'
        minitest (5.14.1) lib/minitest.rb:367:in `on_signal'
        minitest (5.14.1) lib/minitest/test.rb:211:in `with_info_handler'
        minitest (5.14.1) lib/minitest/test.rb:93:in `run'
        minitest-reporters (1.4.2) lib/minitest/reporters.rb:48:in `run_with_hooks'
        minitest (5.14.1) lib/minitest.rb:1029:in `run_one_method'
        minitest (5.14.1) lib/minitest.rb:341:in `run_one_method'
        minitest (5.14.1) lib/minitest.rb:328:in `block (2 levels) in run'
        minitest (5.14.1) lib/minitest.rb:327:in `each'
        minitest (5.14.1) lib/minitest.rb:327:in `block in run'
        minitest (5.14.1) lib/minitest.rb:367:in `on_signal'
        minitest (5.14.1) lib/minitest.rb:354:in `with_info_handler'
        minitest (5.14.1) lib/minitest.rb:326:in `run'
        railties (5.2.4) lib/rails/test_unit/line_filtering.rb:10:in `run'
        minitest (5.14.1) lib/minitest.rb:164:in `block in __run'
        minitest (5.14.1) lib/minitest.rb:164:in `map'
        minitest (5.14.1) lib/minitest.rb:164:in `__run'
        minitest (5.14.1) lib/minitest.rb:141:in `run'
        minitest (5.14.1) lib/minitest.rb:68:in `block in autorun'


Finished in 0.10796s
2 tests, 2 assertions, 1 failures, 0 errors, 0 skips

transaction_test.rb

require 'test_helper'

class TransactionTest < ActiveSupport::TestCase
  should "properly save record" do
    @record = Redirect.new(url: 'http://google.com')
    ActiveRecord::Base.transaction do
      @record.save!
    rescue ActiveRecord::RecordInvalid
      raise ActiveRecord::Rollback
    end
    assert_equal true, @record.persisted?
  end

  should "rollback record" do
    @record = Redirect.new(url: 'http://google.com')
    ActiveRecord::Base.transaction do
      @record.save! # persist record
      @record.url = nil
      @record.save! # save again
    rescue ActiveRecord::RecordInvalid => e
      puts e.message
      raise ActiveRecord::Rollback
    end
    assert_equal false, @record.persisted?
  end
end