diff --git a/backend/tests/test_api.py b/backend/tests/test_api.py
index 4cbb309..96659a3 100644
--- a/backend/tests/test_api.py
+++ b/backend/tests/test_api.py
@@ -36,22 +36,57 @@ def test_prices_random_list():
     assert all(item["price"] <= 3 for item in items)
 
 
-def test_build_history():
+def test_build_history(monkeypatch):
+    jenkins_builds = [
+        {
+            "number": 205,
+            "result": "SUCCESS",
+            "timestamp": 1719992400000,
+            "duration": 75000,
+            "url": "http://jenkins.local/job/demo/205",
+            "changeSets": [
+                {
+                    "items": [
+                        {
+                            "commitId": "9ac3f91d9bd0f0b7bfc5",
+                            "msg": "Anade la API de Jenkins",
+                            "author": {"fullName": "Dev One"},
+                        }
+                    ]
+                }
+            ],
+        },
+        {
+            "number": 204,
+            "result": None,
+            "timestamp": 1719988800000,
+            "duration": 1500,
+            "url": "http://jenkins.local/job/demo/204",
+            "changeSets": [],
+        },
+    ]
+
+    monkeypatch.setattr("app.services.builds.fetch_builds", lambda limit=5: jenkins_builds)
+
     response = client.get("/builds")
     assert response.status_code == 200
     body = response.json()
     builds = body["builds"]
     assert isinstance(builds, list)
-    assert len(builds) >= 1
+    assert len(builds) == 2
 
     first = builds[0]
-    assert "number" in first and "status" in first and "branch" in first
+    assert first["number"] == 205
+    assert first["status"] == "success"
+    assert first["finished_at"] == 1719992400000
+    assert first["duration_seconds"] == 75
+    assert first["url"].endswith("/205")
+    assert first["commits"] == [
+        {"commit": "9ac3f91", "message": "Anade la API de Jenkins", "author": "Dev One"}
+    ]
 
-    # Ensure descending order by build number
-    numbers = [build["number"] for build in builds]
-    assert numbers == sorted(numbers, reverse=True)
-
-    failed_builds = [build for build in builds if build["status"] == "failed"]
-    if failed_builds:
-        failed = failed_builds[0]
-        assert "failed_stage" in failed and "fun_message" in failed
+    second = builds[1]
+    assert second["number"] == 204
+    assert second["status"] == "running"
+    assert second["duration_seconds"] == 1
+    assert second["commits"] == []