Enable bundle of phpt tests for k2

Signed-off-by: Petr Shumilov <p.shumilov@vkteam.ru>

Author: PetrShumilov

tests/phpt/array/028_explode_error.php

@@ -1,4 +1,4 @@
-@kphp_should_fail k2_skip
+@kphp_should_fail
 /isset, !==, ===, is_array or similar function result may differ from PHP/
 /ExprNode explode\[\.\] at 028_explode_error\.php:7/
 <?php

tests/phpt/array/029_explode_error.php

@@ -1,4 +1,4 @@
-@kphp_should_fail k2_skip
+@kphp_should_fail
 /isset, !==, ===, is_array or similar function result may differ from PHP/
 <?php
 

tests/phpt/array/031_explode_error.php

@@ -1,4 +1,4 @@
-@kphp_should_fail k2_skip
+@kphp_should_fail
 /isset, !==, ===, is_array or similar function result may differ from PHP/
 /ExprNode explode\[\.\] at 031_explode_error\.php:7/
 <?php

tests/phpt/array_access/002_set_append.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/array_access/003_as_array_access.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/array_access/005_inheritance.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/array_access/007_assignment_chain.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/array_access/008_isset_unset.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/array_access/009_empty.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 

tests/phpt/by_name/01_by_name_construct.php

@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 
 class NoCtor {