MDL-77336 admin: Added class properties that are not declared.

In PHP 8.2 and later, setting a value to an undeclared class property is
deprecated and emits a deprecation notice.
So we need to add missing class properties that still need to be declared.

admin/tool/lpmigrate/tests/processor_test.php

@@ -28,6 +28,33 @@ use core_competency\course_module_competency;
  */
 class processor_test extends \advanced_testcase {
 
+    /** @var \core_competency\competency_framework|null $f1  */
+    protected $f1 = null;
+
+    /** @var \core_competency\competency_framework|null $f2 */
+    protected $f2 = null;
+
+    /** @var object|null $c1 course instance. */
+    protected ?object $c1 = null;
+
+    /** @var object|null $c2 course instance. */
+    protected ?object $c2 = null;
+
+    /** @var array $f1comps */
+    protected array $f1comps = [];
+
+    /** @var array $f2comps */
+    protected array $f2comps = [];
+
+    /** @var array $cms */
+    protected array $cms = [];
+
+    /** @var array $ccs */
+    protected array $ccs = [];
+
+    /** @var array $cmcs */
+    protected array $cmcs = [];
+
     /**
      * This sets up a few things, and assign class variables.
      *