Update build environment to focal fossa.

Author: geerlingguy

.travis.yml

@@ -1,5 +1,6 @@
 ---
 services: docker
+dist: focal
 
 branches:
   only:

tests/collection.sh

@@ -3,10 +3,6 @@
 # Collection playbook tests.
 set -e
 
-# Make sure pip3 is available.
-sudo apt-get update
-sudo apt-get install -y python3-pip python3-setuptools
-
 # Install dependencies.
 pip3 install ansible
 

tests/molecule.sh

@@ -3,15 +3,8 @@
 # Molecule playbook tests.
 set -e
 
-# Make sure pip3 is available.
-sudo apt-get update
-sudo apt-get install -y python3-pip python3-setuptools
-
-# Upgrade Docker to work with docker-py.
-curl https://gist.githubusercontent.com/geerlingguy/ce883ad4aec6a5f1187ef93bd338511e/raw/36612d28981d92863f839c5aefe5b7dd7193d6c6/travis-ci-docker-upgrade.sh | sudo bash
-
 # Install dependencies.
-pip3 install wheel ansible molecule ansible-lint yamllint docker
+pip3 install ansible molecule ansible-lint yamllint docker
 
 cd molecule
 

tests/orchestration.sh

@@ -3,10 +3,6 @@
 # Orchestration tests.
 set -e
 
-# Make sure pip3 is available.
-sudo apt-get update
-sudo apt-get install -y python3-pip python3-setuptools
-
 # Install dependencies.
 pip3 install ansible