Add unit test for core#19628

[monishdeb]

Overview

Added unit test for #19628 fix

[civibot]

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[eileenmcnaughton]

CRM_Core_BAO_ActionScheduleTest::testReminderWithCustomDateField
Incorrect recipients: Array
(
[expected] => Array
(
[0] => Array
(
[0] => [email protected]
)

    )

[actual] => Array
    (
    )

)

Failed asserting that two arrays are equal.
--- Expected
+++ Actual
@@ @@
Array (

• 0 => Array (...)
  )

/home/jenkins/bknix-dfl/build/core-19972-6834/web/sites/all/modules/civicrm/tests/phpunit/CiviTest/CiviMailUtils.php:299
/home/jenkins/bknix-dfl/build/core-19972-6834/web/sites/all/modules/civicrm/tests/phpunit/CRM/Core/BAO/ActionScheduleTest.php:2197
/home/jenkins/bknix-dfl/build/core-19972-6834/web/sites/all/modules/civicrm/tests/phpunit/CRM/Core/BAO/ActionScheduleTest.php:996
/home/jenkins/bknix-dfl/build/core-19972-6834/web/sites/all/modules/civicrm/tests/phpunit/CiviTest/CiviUnitTestCase.php:226
/home/jenkins/bknix-dfl/extern/phpunit7/phpunit7.phar:615

[eileenmcnaughton]

woohoo