test comments & var naming

pkg/apiserver/webhooks_test.go

@@ -97,27 +97,27 @@ func TestLoadCertificate(t *testing.T) {
 	require.Error(t, err3)
 	certModTime = time.Time{}
 }
-
+// method for capturing klog error's 
 func captureStderr(f func()) string {
-	r, w, _ := os.Pipe()
+	read, write, _ := os.Pipe()
 	stderr := os.Stderr
-	os.Stderr = w
-	outC := make(chan string)
+	os.Stderr = write
+	outputChannel := make(chan string)
 
 	// Copy the output in a separate goroutine so printing can't block indefinitely.
 	go func() {
 		var buf bytes.Buffer
-		io.Copy(&buf, r)
-		outC <- buf.String()
+		io.Copy(&buf, read)
+		outputChannel <- buf.String()
 	}()
 
 	// Run the provided function and capture the stderr output
 	f()
 
 	// Restore the original stderr and close the write-end of the pipe so the goroutine will exit
 	os.Stderr = stderr
-	w.Close()
-	out := <-outC
+	write.Close()
+	out := <-outputChannel
 
 	return out
 }