Roll back to Bionic to see if that works.

jameswilddev · jameswilddev · commit c36a7ef8e19b · 2021-04-20T11:06:15.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,5 @@
 language: php
-distro: focal
+distro: bionic
 php:
   - '7.1'
   - '7.2'
