Fix Tests

models/forms/CalendarEntryForm.php

@@ -564,4 +564,19 @@ public function getEndDateTime()
         }
         return $endDT;
     }
+
+    private function normalizeFormattedDate($formattedDate)
+    {
+        /**
+         * If the locale is 'bg' (Bulgarian), remove the 'г.' suffix from the date string.
+         * This suffix is automatically added by IntlDateFormatter::format() to indicate "year" in Bulgarian,
+         * but IntlDateFormatter::parse() fails to handle it properly, causing a parsing error.
+         * To ensure successful parsing, we normalize the date string by removing 'г.'.
+         */
+        if (Yii::$app->formatter->locale === 'bg') {
+            return str_replace(' г.', '', $formattedDate);
+        }
+
+        return $formattedDate;
+    }
 }