Fix test_server Closes #147

 * Don´t rely on calculation per specific day, just verify length.

tests/test_server.py

@@ -1,63 +1,12 @@
 import requests
 
+from akkudoktoreos.config import prediction_hours
+
 
 def test_server(server):
     """
     Test the server
     """
     result = requests.get(f"{server}/gesamtlast_simple?year_energy=2000&")
     assert result.status_code == 200
-    assert (
-        result.text
-        == """[
-  0.12399409965368197,
-  0.12082955072761034,
-  0.1186152098599658,
-  0.13282048719613798,
-  0.16801614895243458,
-  0.18833079485066814,
-  0.2060958576163904,
-  0.23815979421159755,
-  0.256794470747979,
-  0.2730286944402595,
-  0.2837831370699189,
-  0.2880791113592318,
-  0.27868845536305187,
-  0.2593976275300202,
-  0.26565341182134644,
-  0.2834322084492842,
-  0.3385133447353511,
-  0.36541124595269503,
-  0.33781770981176945,
-  0.29218838246014817,
-  0.24535542466592053,
-  0.19484917288665324,
-  0.15634028941335018,
-  0.13309410380383394,
-  0.1239736903705896,
-  0.12074280282759843,
-  0.11849705069574769,
-  0.1320224904313182,
-  0.16699106562771282,
-  0.18856343364342354,
-  0.20578134176859084,
-  0.23760516695843145,
-  0.25675411140321175,
-  0.2729442256919556,
-  0.2837782018548114,
-  0.2882881388086184,
-  0.2800061651414149,
-  0.26039842637914645,
-  0.26613497240454587,
-  0.28441116400389416,
-  0.33941195977626437,
-  0.36621100374643395,
-  0.3391062422788601,
-  0.29391186081171267,
-  0.24686897327498972,
-  0.19620626090788126,
-  0.1570820352949701,
-  0.13332596485058107
-]
-"""
-    )
+    assert len(result.json()) == prediction_hours