Moved: testMethodAddMetaboxes to integration suite
Deleted: tests

Removed testActionExistsAddMetaBoxes(), testActionExistsAddShortcodes(), testActionExistsAdminEnqueueScripts()
Reordered actions in __construct()
Added: actions and callbacks

add_meta_boxes, admin_enqueue_scripts
Removed: enqueue_styles(), enqueue_scripts()
Removed: tests for removed functions from SUT

enqueue_scripts, enqueue_styles
File formatting changes
File formatting changes
Applied: WordPress Coding Standards
Split test types into separate suites
File formatting changes