chore: update tests to adaped to new structure

tests/test_api.py

@@ -0,0 +1,20 @@
+from fastapi.testclient import TestClient
+from api.main import app
+import pytest
+
+client = TestClient(app)
+
+def test_get_status():
+    response = client.get("/status")
+    assert response.status_code == 200
+    assert response.json()["status"] == "operational"
+
+def test_get_current_price_no_data(mocker):
+    # Mock database connection to return no data
+    mock_db = mocker.patch("utils.database.get_connection")
+    mock_con = mock_db.return_value.__enter__.return_value
+    mock_con.execute.return_value.fetchone.return_value = None
+    
+    response = client.get("/current-price")
+    assert response.status_code == 404
+    assert response.json()["detail"] == "No data available"