diff --git a/tests/test_structs.py b/tests/test_structs.py
index c6addd6d..e2ee35a0 100644
--- a/tests/test_structs.py
+++ b/tests/test_structs.py
@@ -1,6 +1,6 @@
 from bionetgen.modelapi.structs import Action
 import pytest
-from bionetgen.modelapi.structs import ModelObj
+from bionetgen.modelapi.structs import ModelObj, Action
 
 
 def test_modelobj_setitem():
@@ -44,6 +44,31 @@ def test_modelobj_line_label_setter():
     assert obj.line_label == "[1, 2, 3]: "
 
 
+def test_action_print_line_v2():
+    action = Action("simulate", {"method": "ode", "t_end": 100, "n_steps": 100})
+    # Test base print_line
+    assert action.print_line() == "simulate({method=>ode,t_end=>100,n_steps=>100})"
+
+    # Test with line_label
+    action.line_label = 1
+    assert action.print_line() == "1 simulate({method=>ode,t_end=>100,n_steps=>100})"
+
+    # Test with comment
+    action = Action("simulate", {"method": "ode", "t_end": 100, "n_steps": 100})
+    action.comment = "This is a comment"
+    assert (
+        action.print_line()
+        == "simulate({method=>ode,t_end=>100,n_steps=>100}) #This is a comment"
+    )
+
+    # Test with line_label and comment
+    action.line_label = 1
+    assert (
+        action.print_line()
+        == "1 simulate({method=>ode,t_end=>100,n_steps=>100}) #This is a comment"
+    )
+
+
 def test_modelobj_print_line():
     class DummyModelObj(ModelObj):
         def gen_string(self) -> str: