tests: Certificate of Let's Encrypt expired, travis won't update the certificate in the image of trusty. (#87)

zhuizhuhaomeng · web-flow · commit 1cc2f59417eb · 2021-10-08T16:36:51.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 sudo: required
-dist: trusty
+dist: bionic
 
 os: linux
 
