fix DEVELOPMENT.md error (#3624)

* fix error in DEVELOPMENT.md

Signed-off-by: pingjiang <xiangpingjiang1998@gmail.com>

* fix DEVELOPMENT.md

Signed-off-by: pingjiang <xiangpingjiang1998@gmail.com>

* revert

Signed-off-by: pingjiang <xiangpingjiang1998@gmail.com>

---------

Signed-off-by: pingjiang <xiangpingjiang1998@gmail.com>

DEVELOPMENT.md

@@ -107,15 +107,15 @@ LOCAL_DEVELOPMENT=true SKIP_INITIALIZE=true ./test/e2e-tests.sh
 You can run a single rekt test instead of the full test suite with:
 
 ```shell
-SYSTEM_NAMESPACE=knative-eventing go test -v -tags=e2e -count=1 -run <test_name> -parallel=12 -timeout=30m ./test/rekt
+SYSTEM_NAMESPACE=knative-eventing go test -v -tags=e2e -count=1 -run <test_name> -parallel=12 -timeout=30m <test_directory_name>
 ```
 
-Note: you will have to replace the <test_name> with the name of your test.
+Note: you will have to replace the <test_name>  <test_directory_name> with the name of your test.
 
 For example:
 
 ```shell
-SYSTEM_NAMESPACE=knative-eventing go test -v -tags=e2e -count=1 -run TestEventTransformationForTrigger -parallel=12 -timeout=30m ./test/rekt
+SYSTEM_NAMESPACE=knative-eventing go test -v -tags=e2e -count=1 -run TestEventTransformationForTrigger -parallel=12 -timeout=30m ./test/e2e_new
 ```
 
 When you are running kafka broker related tests, you may need to specify the broker class