fixup! add basic tests for error and success k8s diagnostics

Author: pchila

internal/pkg/diagnostics/diagnostics_k8s_test.go

@@ -13,6 +13,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	goruntime "runtime"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -984,7 +985,9 @@ func Test_collectK8sDiagnosticsWithClientAndToken(t *testing.T) {
 				// We have the fake logs for the agent container
 				assert.DirExists(t, filepath.Join(tempAssertDir, K8sSubdir, logsSubDir))
 				assert.FileExists(t, filepath.Join(tempAssertDir, K8sSubdir, logsSubDir, fmt.Sprintf(CurrentLogFileFormat, "simplepod", "agent")))
-				assert.DirExists(t, filepath.Join(tempAssertDir, cgroupSubDir))
+				if goruntime.GOOS == "linux" {
+					assert.DirExists(t, filepath.Join(tempAssertDir, cgroupSubDir))
+				}
 			},
 		},
 	}