Use python tempfile instead of hard-coded file in JSON test.

Author: Feras A. Saad

tests/test_core.py

@@ -694,11 +694,8 @@ def test_json_ready_models():
  j = bdb.backends['cgpm'].json_ready_models(bdb, pop_id, gen_id)
  for m in j["models"]:
  assert len(m["clusters"]) > 0
-
  # This is handy debugging code (lets you look at the model)
- # that can be enabled manually when needed
- if True:
- import json
- path = "/tmp/models.json"
- with open(path, 'w') as outfile:
- json.dump(j, outfile, indent=2)
+ # that can be enabled manually when needed.
+ with tempfile.NamedTemporaryFile(
+ prefix='bayeslite-models', delete=False) as f:
+ json.dump(j, f, indent=2)