Adds documentaion for kuttl tests

Author: auniyal61

README.md

@@ -241,3 +241,40 @@ or in Visual Studio Code by defining the following in your settings.json:
     "KUBEBUILDER_ASSETS":"<location of kubebuilder-envtest installation>"
 },
 ```
+
+## Run kuttl test
+The easiest way is to run kuttl test in fresh system with crc deployed with enough pv's
+`PV_NUM=30 make crc_storage`
+
+- made change neutron-openrator code changes
+- add kuttl tests
+- make install
+- start webhook
+`make run-with-webhook`
+
+- navigate to install_yamls
+- run kuttl tests
+`make neutron_kuttl_run OPERATOR_BASE_DIR=/home/stack/repos NAMESPACE=neutron-kuttl-tests`
+
+
+- To run a single test
+`make neutron_kuttl_run OPERATOR_BASE_DIR=/home/stack/repos NAMESPACE=neutron-kuttl-tests KUTTL_ARGS="--test notifications"`
+
+
+**Note for CI:**
+try to use less resources:
+
+```
+  persistence:
+    storage: 1Gi
+  resources:
+    limits:
+      cpu: "1"
+      memory: 1Gi
+    requests:
+      cpu: "0.5"
+      memory: 500Mi
+```
+
+- Run all tests from temp pull of main
+`make neutron_kuttl`