Fix unit test.

extension/Source/core/database/DatabaseUpdate.php

@@ -125,16 +125,16 @@ class DatabaseUpdate {
         if ($dbUpdate === SYSTEM_DB_UPDATE_NEVER) {
             return;
         }
-        $old = false;
+
         $new = $this->getExtensionVersion();
         $versionInfo = $this->getDatabaseVersion();
-        $old = $versionInfo[QFQ_VERSION_KEY] ?? '';
+        $old = $versionInfo[QFQ_VERSION_KEY] ?? false;
 
         if ($dbUpdate === SYSTEM_DB_UPDATE_ALWAYS || ($dbUpdate === SYSTEM_DB_UPDATE_AUTO && $new != $old)) {
 
-            $newFunctionsHash = $this->updateSqlFunctions($versionInfo[QFQ_VERSION_KEY_FUNCTION_HASH] ?? '');
-            if (null !== $newFunctionsHash) {
-                $versionInfo[QFQ_VERSION_KEY_FUNCTION_HASH] = $newFunctionsHash;
+            $newFunctionHash = $this->updateSqlFunctions($versionInfo[QFQ_VERSION_KEY_FUNCTION_HASH] ?? '');
+            if (null !== $newFunctionHash) {
+                $versionInfo[QFQ_VERSION_KEY_FUNCTION_HASH] = $newFunctionHash;
                 $versionInfo[QFQ_VERSION_KEY_FUNCTION_VERSION] = $new;
             }
 

extension/Tests/unit/core/database/DatabaseUpdateTest.php

@@ -29,7 +29,8 @@ class DatabaseUpdateTest extends AbstractDatabaseTest {
      */
     public function testCheckNupdate() {
 
-        $countQfqTables = 8;
+//        $countQfqTables = 8;
+        $countQfqTables = 9;
 
         $dbUpdate = new DatabaseUpdate($this->dbArray[DB_INDEX_DEFAULT]);