exec.env=[env1; env2; ...] Specifies a list of tags that describe the environment where a test session was executed. Tags could describe an operating system (e.g. Windows, Linux), an architecture (e.g. x86, x86_64), a compiler, a browser, etc. These tags describe a complete test session; more environment details could be also added at the test suite, test, or test case levels via the services API.