diff --git a/webhook_xblock/test/test_webhook_xblock.py b/webhook_xblock/test/test_webhook_xblock.py
index bf6a3d3..d1dc0b1 100644
--- a/webhook_xblock/test/test_webhook_xblock.py
+++ b/webhook_xblock/test/test_webhook_xblock.py
@@ -1,15 +1,75 @@
 from django.test import TestCase
+from mock import MagicMock, patch
 from webhook_xblock.webhook_xblock import WebhookXblock
 
 
-class WebhookXblockBasicTests(TestCase):
-    """
-    Basic test to validate that WebhookXblock initializes correctly.
-    """
+class WebhookXblockTests(TestCase):
 
-    def test_xblock_initialization(self):
+    def setUp(self):
         """
-        Verifies that a WebhookXblock instance initializes with default values.
+        Initial setup for the tests.
         """
-        xblock = WebhookXblock()
-        self.assertIsNotNone(xblock)
+        self.xblock = WebhookXblock()
+        self.xblock.webhook_url = "http://example.com/webhook"
+        self.xblock.name = "test_component"
+        self.xblock.frequency = "one-time"
+
+    @patch("webhook_xblock.webhook_xblock.requests.post")
+    def test_make_request_success(self, mock_post):
+        """
+        Tests that make_request returns True when the request is successful.
+        """
+        mock_response = MagicMock()
+        mock_response.ok = True
+        mock_post.return_value = mock_response
+
+        data = {"test_key": "test_value"}
+        result = self.xblock.make_request(data)
+        self.assertTrue(result)
+
+    @patch("webhook_xblock.webhook_xblock.requests.post")
+    def test_make_request_failure(self, mock_post):
+        """
+        Tests that make_request returns False when the request fails.
+        """
+        mock_response = MagicMock()
+        mock_response.ok = False
+        mock_post.return_value = mock_response
+
+        data = {"test_key": "test_value"}
+        result = self.xblock.make_request(data)
+        self.assertFalse(result)
+
+    @patch("webhook_xblock.webhook_xblock.requests.post", side_effect=Exception("Test exception"))
+    def test_make_request_exception(self, mock_post):
+        """
+        Tests that make_request handles exceptions correctly.
+        """
+        data = {"test_key": "test_value"}
+        with self.assertRaises(Exception):
+            self.xblock.make_request(data)
+
+    def test_mark_as_visited_first_time(self):
+        """
+        Tests that mark_as_visited returns False if it has already been visited.
+        """
+        self.xblock.checkpoint = False
+        result = self.xblock.mark_as_visited()
+        self.assertTrue(result)
+
+    def test_mark_as_visited_already_visited(self):
+        """
+        Prueba que mark_as_visited retorna False si ya ha sido visitado.
+        """
+        self.xblock.checkpoint = True
+        result = self.xblock.mark_as_visited()
+        self.assertFalse(result)
+
+    def test_flatten_dict_integration(self):
+        """
+        Tests the integration of flatten_dict with the XBlock.
+        """
+        input_dict = {"a": {"b": {"c": 1}}, "d": 2}
+        expected = {"a_b_c": 1, "d": 2}
+        result = self.xblock.flatten_dict(input_dict)
+        self.assertEqual(result, expected)
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