[GITEA] Simplify cron list test (squash)

- As per
https://codeberg.org/forgejo/forgejo/pulls/1352#issuecomment-1076074
- Only test if the returned stuff is correct, not necessarily accurate.

(cherry picked from commit 55bcaf60ec21aec000ff79635981a16566c77d43)
(cherry picked from commit 4f03e4810619455e7dca65741cb53a9fd2d98bfe)
(cherry picked from commit f35c31b9beef33e0aafc4e62e5b8fa38b3623494)

tests/integration/api_admin_test.go

@@ -298,11 +298,12 @@ func TestAPICron(t *testing.T) {
 		req := NewRequest(t, "GET", urlStr)
 		resp := MakeRequest(t, req, http.StatusOK)
 
-		assert.Equal(t, "27", resp.Header().Get("X-Total-Count"))
+		assert.NotEmpty(t, resp.Header().Get("X-Total-Count"))
 
 		var crons []api.Cron
 		DecodeJSON(t, resp, &crons)
-		assert.Len(t, crons, 27)
+
+		assert.NotEmpty(t, crons)
 	})
 
 	t.Run("Execute", func(t *testing.T) {