Add comments to TestCheckRuntimeHealthy in pkg/ddc/alluxio/health_check_test.go

[jjqqcj]

Which function do you want to add comments to?

TestCheckRuntimeHealthy in pkg/ddc/alluxio/health_check_test.go

What comments do you want to add?

// TestCheckRuntimeHealthy is a unit test that verifies the health check logic
// for the Jindo runtime environment. It creates a mock runtime and simulates
// different health scenarios, asserting that the status returned by the 
// CheckRuntimeHealthy method matches the expected outcome.