Adding a unit test for the discovery Fidelity orders model

tests/test_discovery_fidelity_model.py

@@ -0,0 +1,44 @@
+""" discovery/fidelity_model.py tests """
+import unittest
+from unittest import mock
+
+# pylint: disable=unused-import
+from gamestonk_terminal.test_helper import (  # noqa: F401
+    parameterize_from_file,
+    pytest_generate_tests,
+)
+
+from gamestonk_terminal.discovery.fidelity_model import get_orders
+
+assertions = unittest.TestCase("__init__")
+
+
+class TestDiscoveryFidelityModel:
+    @mock.patch("gamestonk_terminal.discovery.fidelity_model.requests")
+    @parameterize_from_file(
+        "test_get_orders",
+        "../tests/data/discovery_fidelity_model.yaml",
+    )
+    # pylint: disable=unused-argument
+    def test_get_orders(
+        self,
+        mock_requests_get,
+        mock_fidelity_orders_html,
+        expected_header,
+        expected_orders,
+    ):
+        mock_requests_get.get().text = mock_fidelity_orders_html
+        header, ret = get_orders()
+
+        print("")
+        print(ret.to_csv())
+        print("")
+        print(header)
+
+        assertions.assertEqual.__self__.maxDiff = None
+        assertions.assertEqual(
+            header.replace("\r\n", "\n"), expected_header.replace("\r\n", "\n")
+        )
+        assertions.assertEqual(
+            ret.to_csv().replace("\r\n", "\n"), expected_orders.replace("\r\n", "\n")
+        )