diff --git a/test/phpunit/FunctionsLibTest.php b/test/phpunit/FunctionsLibTest.php
index 85a5f525e47..287f759982c 100644
--- a/test/phpunit/FunctionsLibTest.php
+++ b/test/phpunit/FunctionsLibTest.php
@@ -185,16 +185,16 @@ class FunctionsLibTest extends PHPUnit\Framework\TestCase
 		// An attempt for SQL injection
 		$filter='if(now()=sysdate()%2Csleep(6)%2C0)';
 		$sql = forgeSQLFromUniversalSearchCriteria($filter);
-		$this->assertEquals($sql, 'Filter syntax error');
+		$this->assertEquals($sql, 'Filter syntax error - Bad syntax of the search string');
 
 		// A real search string
 		$filter='(((statut:=:1) or (entity:in:__AAA__)) and (abc:<:2.0) and (abc:!=:1.23))';
 		$sql = forgeSQLFromUniversalSearchCriteria($filter);
-		$this->assertEquals($sql, ' AND (((statut = 1 or entity IN (__AAA__)) and abc < 2 and abc <> 1.23))');
+		$this->assertEquals($sql, ' AND ((((statut = 1) or (entity IN (__AAA__))) and (abc < 2) and (abc <> 1.23)))');
 
 		$filter="(t.ref:like:'SO-%') or (t.date_creation:<:'20160101') or (t.date_creation:<:'2016-01-01 12:30:00') or (t.nature:is:NULL)";
 		$sql = forgeSQLFromUniversalSearchCriteria($filter);
-		$this->assertEquals($sql, " AND (t.ref LIKE 'SO-%' or t.date_creation < '20160101' or t.date_creation < 0 or t.nature IS NULL)");
+		$this->assertEquals($sql, " AND ((t.ref LIKE 'SO-%') or (t.date_creation < '20160101') or (t.date_creation < 0) or (t.nature IS NULL))");
 
 		return true;
 	}