Travis: Update for Moodle 3.10

.travis.yml

tests/active_workflow_is_manual_test.php

tests/backup_and_restore_workflow_test.php

tests/backup_manager_test.php

tests/manual_trigger_tools_test.php

tests/manually_triggered_process_test.php

tests/persistence/persist_process_data_test.php

tests/persistence/persist_process_test.php

tests/persistence/persist_step_test.php

tests/persistence/persist_workflow_test.php

tests/privacy_test.php

tests/process_status_message_test.php

tests/settings_manager_test.php

tests/workflow_actions_testcase.php

trigger/categories/tests/trigger_test.php

trigger/delayedcourses/tests/trigger_test.php

trigger/sitecourse/tests/trigger_test.php

trigger/startdatedelay/tests/trigger_test.php