Update comments for testing

internal/controller/impersonatorconfig/impersonator_config_test.go

@@ -372,7 +372,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
 			})
 			r.NoError(err)
 
-			// Return a func that starts a fake server when called, and shuts down the fake server when stopCh is closed.
+			// Return a func that starts a fake server when called, and shuts down the fake server when ctx is cancelled.
 			// This fake server is enough like the real impersonation proxy server for this unit test because it
 			// uses the supplied providers to serve TLS. The goal of this unit test is to make sure that the server
 			// was started/stopped/configured correctly, not to test the actual impersonation behavior.
@@ -404,7 +404,7 @@ func TestImpersonatorConfigControllerSync(t *testing.T) {
 				}()
 
 				if testHTTPServerInterruptCh == nil {
-					// Wait in the foreground for the stopCh to be closed, and kill the server when that happens.
+					// Wait in the foreground for the context to be done, and kill the server when that happens.
 					// This is similar to the behavior of the real impersonation server.
 					<-ctx.Done()
 				} else {