Non Numeric value encountered in CRM_Batch_Form_entryTest on PHP7.1 and 7.2
<error type="PHPUnit_Framework_Error_Notice">CRM_Batch_Form_EntryTest::testMembershipRenewalDates
A non well formed numeric value encountered
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/CRM/Price/BAO/LineItem.php:374
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/CRM/Price/BAO/PriceSet.php:747
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/CRM/Batch/Form/Entry.php:761
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/CRM/Batch/Form/Entry.php:922
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/tests/phpunit/CRM/Batch/Form/EntryTest.php:256
/home/seamus/buildkit/build/47.demo/sites/all/modules/civicrm/tests/phpunit/CiviTest/CiviUnitTestCase.php:192
/home/seamus/buildkit/bin/phpunit5:598
</error>The relevant code is here https://github.com/civicrm/civicrm-core/blob/master/CRM/Price/BAO/LineItem.php#L374 i'm guessing its most likely going to be $qty that is NULL maybe