Fix a small typo

Fix a small typo in the comment: wether --> whether

Signed-off-by: Hu Shuai <[email protected]>

Author: hs0210

pkg/internal/testing/process/process.go

@@ -84,7 +84,7 @@ type State struct {
 	DirNeedsCleaning bool
 	Path             string
 
-	// ready holds wether the process is currently in ready state (hit the ready condition) or not.
+	// ready holds whether the process is currently in ready state (hit the ready condition) or not.
 	// It will be set to true on a successful `Start()` and set to false on a successful `Stop()`
 	ready bool