test/integration/targets/any_errors_fatal/18602.yml is not run via
runme.sh and is testing the same as
test/integration/targets/any_errors_fatal/always_block.yml which is
actually run. The former file is safe to remove.
All inventory hosts to which a connection is actually established
should declare ansible_python_interpreter to avoid interpreter
auto-discovery, as that may select the wrong interpreter.
* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.