diff --git a/test/test_function_softbarcode.py b/test/test_function_softbarcode.py
index 1bef1cd..f9288f7 100644
--- a/test/test_function_softbarcode.py
+++ b/test/test_function_softbarcode.py
@@ -4,9 +4,11 @@ import escpos.printer as printer
 import pytest
 
 
-def test_soft_barcode():
-    """just execute soft_barcode
-    """
-    instance = printer.Dummy()
+@pytest.fixture
+def instance():
+    return printer.Dummy()
+
+
+def test_soft_barcode_ean8(instance):
     instance.soft_barcode("ean8", "1234")