Minor - Fixing phpdoc config parsing only tests dir

tests/build.xml

@@ -99,7 +99,7 @@
 
  <target name="phpdoc" description="Generate API documentation">
    <exec executable="phpdoc">
-     <arg line="-d ${basedir} -t ${basedir}/logs/docs -ti ChamiloLMS -i ${basedir}/../archive/*,${basedir}/../home/*,${basedir}/../main/inc/entity/*,${basedir}/../main/inc/lib/symfony/*,${basedir}/../main/inc/lib/phpdocx/*,${basedir}/../main/inc/lib/phpqrcode/*,${basedir}/../main/inc/lib/mpdf/*,${basedir}/../main/inc/lib/internationalization_database/transliteration/*,${basedir}/../main/inc/lib/phpmailer/*,${basedir}/../main/inc/lib/htmlpurifier/*,${basedir}/../main/inc/lib/fckeditor/*,${basedir}/../main/inc/lib/formvalidator/*,${basedir}/../main/upload/users/*,${basedir}/../main/lang/*,${basedir}/../courses/*,.htaccess -ct covers,assert" />
+     <arg line="-d ${basedir}/../ -t ${basedir}/logs/docs -ti ChamiloLMS -i ${basedir}/../archive/*,${basedir}/../home/*,${basedir}/../main/inc/entity/*,${basedir}/../main/inc/lib/symfony/*,${basedir}/../main/inc/lib/phpdocx/*,${basedir}/../main/inc/lib/phpqrcode/*,${basedir}/../main/inc/lib/mpdf/*,${basedir}/../main/inc/lib/internationalization_database/transliteration/*,${basedir}/../main/inc/lib/phpmailer/*,${basedir}/../main/inc/lib/htmlpurifier/*,${basedir}/../main/inc/lib/fckeditor/*,${basedir}/../main/inc/lib/formvalidator/*,${basedir}/../main/upload/users/*,${basedir}/../main/lang/*,${basedir}/../courses/*,.htaccess -ct covers,assert" />
    </exec>
  </target>
  <target name="phpcb" description="Aggregate tool output with PHP_CodeBrowser">