update the select statements tests

Signed-off-by: iifawzi <iifawzie@gmail.com>

Author: iifawzi

tests/Parser/SelectStatementTest.php

@@ -41,6 +41,7 @@ public function selectProvider(): array
             ['parser/parseSelect9'],
             ['parser/parseSelect10'],
             ['parser/parseSelect11'],
+            ['parser/parseSelect12'],
             ['parser/parseSelectErr1'],
             ['parser/parseSelectErr2'],
             ['parser/parseSelectNested'],