✅ N°4655 New nightly PHPUnit file containing OQL tests

Those tests were removed in 72af2b7c as they took too much time to run.
We are re-enabling them but only for nightly builds !

test/phpunit.xml.dist

@@ -44,10 +44,6 @@
     <testsuite name="Itop-Tickets">
       <directory>itop-tickets</directory>
     </testsuite>
-    <!-- OQL : taking too long (20min+)... we should move this to nightlies ! See N°4655 -->
-    <!-- testsuite name="OQL">
-        <directory>OQL</directory>
-    </testsuite -->
     <testsuite name="Setup">
       <directory>setup</directory>
     </testsuite>

test/phpunit_nightly.xml.dist

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/8.5/phpunit.xsd"
+        bootstrap="unittestautoload.php"
+        backupGlobals="true"
+        colors="true"
+        convertErrorsToExceptions="true"
+        convertNoticesToExceptions="true"
+        convertWarningsToExceptions="true"
+        processIsolation="false"
+        stopOnError="false"
+        stopOnFailure="false"
+        stopOnIncomplete="false"
+        stopOnRisky="false"
+        stopOnSkipped="false"
+        verbose="true"
+>
+
+    <php>
+        <ini name="error_reporting" value="E_ALL"/>
+        <ini name="display_errors" value="On"/>
+        <ini name="log_errors" value="On"/>
+        <ini name="html_errors" value="On"/>
+    </php>
+
+    <testsuites>
+        <testsuite name="OQL">
+            <directory>OQL</directory>
+        </testsuite>
+    </testsuites>
+
+    <!-- Code coverage white list -->
+    <filter>
+        <whitelist>
+            <file>../core/apc-emulation.php</file>
+            <file>../core/ormlinkset.class.inc.php</file>
+            <file>../datamodels/2.x/itop-tickets/main.itop-tickets.php</file>
+        </whitelist>
+    </filter>
+
+</phpunit>