From 539930e4d10bbd9050065b06203f60d6c5963ef1 Mon Sep 17 00:00:00 2001
From: Jonathan Kliem <jonathan.kliem@fu-berlin.de>
Date: Mon, 10 Aug 2020 22:08:53 +0200
Subject: [PATCH] run lawrence_polytope test for cdd and normaliz

---
 src/sage/geometry/polyhedron/base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sage/geometry/polyhedron/base.py b/src/sage/geometry/polyhedron/base.py
index a4f4c4a720f..eb9c7b713b8 100644
--- a/src/sage/geometry/polyhedron/base.py
+++ b/src/sage/geometry/polyhedron/base.py
@@ -6101,7 +6101,7 @@ def _test_lawrence(self, tester=None, **options):
                 tester.assertTrue(Q.is_combinatorially_isomorphic(R))
                 '''
 
-        if self.n_vertices() >= 12 or self.base_ring() not in (ZZ, QQ):
+        if self.n_vertices() >= 12 or (self.base_ring() not in (ZZ, QQ) and self.backend() == 'field'):
             # Avoid very long tests.
             return