Issue #2417921 by jibran: Change Tour module tests & Block test views package to testing

core/modules/block/tests/modules/block_test_views/block_test_views.info.yml

 name: 'Block test views'
 type: module
 description: 'Provides a view and block to test block displays in views.'
-package: Core
+package: Testing
 version: VERSION
 core: 8.x
 dependencies:

core/modules/tour/tests/tour_test/tour_test.info.yml

 name: Tour module tests
 type: module
 description: Tests module for tour module.
-package: Core
+package: Testing
 version: VERSION
 core: 8.x
 dependencies: