CannotStartRESTAPI indicates the k6's REST API server could not be started.

CloudFailedToGetProgress indicates that k6 was unable to synchronize the test progress with the cloud.

This used to be 99 before k6 v0.33.0.

ExternalAbort indicates the test was aborted by an external signal (e.g.

TODO: remove?.

GoPanic indicates the script was aborted by a panic in the Go runtime.

InvalidConfig indicates an invalid configuration.

ScriptAborted indicates the script was aborted by a call to the k6 execution module's `test.abort()` function.

ScriptException indicates an exception was thrown during the test script's execution.

ScriptStoppedFromRESTAPI indicates the execution has been stopped by a call to the k6's REST API.

SetupTimeout indicates the execution of the test setup function timed out.

TeardownTimeout indicates the execution of the test teardown function timed out.

ThresholdsHaveFailed indicates that one or more thresholds have failed.

ExitCode is just a type representing a process exit code for k6.