README: add coverage and environment setup banner

README.md

@@ -8,10 +8,14 @@
 
 ![Test Unit Tests](https://github.com/ArduPilot/ardupilot/workflows/test%20unit%20tests/badge.svg?branch=master)
 
+![Test Environment Setup](https://github.com/ArduPilot/ardupilot/actions/workflows/test_environment.yml/badge.svg?branch=master)
+
 [![Build SemaphoreCI](https://semaphoreci.com/api/v1/ardupilot/ardupilot/branches/master/badge.svg)](https://semaphoreci.com/ardupilot/ardupilot) [![Build Status](https://dev.azure.com/ardupilot-org/ardupilot/_apis/build/status/ArduPilot.ardupilot?branchName=master)](https://dev.azure.com/ardupilot-org/ardupilot/_build/latest?definitionId=1&branchName=master)
 
 [![Coverity Scan Build Status](https://scan.coverity.com/projects/5331/badge.svg)](https://scan.coverity.com/projects/ardupilot-ardupilot)
 
+[![Test Coverage](https://github.com/ArduPilot/ardupilot/actions/workflows/test_coverage.yml/badge.svg?branch=master)](https://github.com/ArduPilot/ardupilot/actions/workflows/test_coverage.yml)
+
 [![Autotest Status](https://autotest.ardupilot.org/autotest-badge.svg)](https://autotest.ardupilot.org/)
 
 ArduPilot is the most advanced, full-featured and reliable open source autopilot software available.