rename test file

Author: twishabansal

packages/toolbox-core/tests/test.py renamed to packages/toolbox-core/tests/test_core.py

@@ -13,8 +13,7 @@
 # limitations under the License.
 from toolbox_core import DummyClass
 
-
 class TestToolboxCore:
     def test_dummy(self):
         dummy_variable = DummyClass()
-        assert dummy_variable.val == "dummy value"
+        assert dummy_variable.val == "dummy value"