diff --git a/calculator.py b/tests/dummy_test/calculator.py
similarity index 100%
rename from calculator.py
rename to tests/dummy_test/calculator.py
diff --git a/tests/dummy_test/calculator_test.py b/tests/dummy_test/calculator_test.py
index 6a64e4b..ef8324c 100644
--- a/tests/dummy_test/calculator_test.py
+++ b/tests/dummy_test/calculator_test.py
@@ -1,4 +1,4 @@
-from calculator import Calculator
+from .calculator import Calculator
 
 def test_add():
     assert Calculator.add(1, 2) == 3.0
@@ -15,12 +15,12 @@ def test_subtract():
     assert Calculator.subtract(2.0, 0.0) == 2.0
     assert Calculator.subtract(-4, 2.0) == -6.0
 
-def test_multiply():
-    assert Calculator.multiply(1, 2) == 2.0
-    assert Calculator.multiply(1.0, 2.0) == 2.0
-    assert Calculator.multiply(0, 2.0) == 0.0
-    assert Calculator.multiply(2.0, 0.0) == 0.0
-    assert Calculator.multiply(-4, 2.0) == -8.0
+# def test_multiply():
+#     assert Calculator.multiply(1, 2) == 2.0
+#     assert Calculator.multiply(1.0, 2.0) == 2.0
+#     assert Calculator.multiply(0, 2.0) == 0.0
+#     assert Calculator.multiply(2.0, 0.0) == 0.0
+#     assert Calculator.multiply(-4, 2.0) == -8.0
 
 # def test_divide():
 #     assert Calculator.divide(1, 2) == 0.5