message: Missing checkout tasks in variants
diff: @@ -127,6 +127,7 @@ buildvariants:
  display_name: "MacOS Mohave"
  run_on: osx-1014
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -140,6 +141,7 @@ buildvariants:
  display_name: "Ubuntu 18.04"
  run_on: ubuntu1804-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -153,6 +155,7 @@ buildvariants:
  display_name: "Ubuntu 18.04 PPC"
  run_on: ubuntu1804-power8-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -166,6 +169,7 @@ buildvariants:
  display_name: "Ubuntu 18.04 Z Series"
  run_on: ubuntu1804-zseries-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -179,6 +183,7 @@ buildvariants:
  display_name: "RHEL 7.6"
  run_on: rhel76-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -192,6 +197,7 @@ buildvariants:
  display_name: "RHEL 7.1 PPC"
  run_on: rhel71-power8-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  @@ -205,6 +211,7 @@ buildvariants:
  display_name: "RHEL 7.2 Z Series"
  run_on: rhel72-zseries-test
  tasks:
  + - name: checkout
  - name: install_nvm
  - name: install_node
  - name: install_npm
  