Merge remote-tracking branch 'origin/support/3.0' into support/3.1

# Conflicts:
#	core/metamodel.class.php

tests/php-unit-tests/postbuild_integration.xml.dist

@@ -19,6 +19,10 @@
         printerClass="\Sempro\PHPUnitPrettyPrinter\PrettyPrinterForPhpUnit9"
 >
 
+  <extensions>
+    <extension class="Combodo\iTop\Test\UnitTest\Hook\TestsRunStartHook" />
+  </extensions>
+
     <php>
         <ini name="error_reporting" value="E_ALL"/>
         <ini name="display_errors" value="On"/>