correcting typo on DICOVERY and adding ROLE_WORKER_CNF=worker-cnf

Author: kquinn1204

modules/cnf-performing-end-to-end-tests-for-platform-verification.adoc

@@ -576,7 +576,7 @@ To perform the `hwlatdetect`, run the following command:
 
 [source, terminal]
 ----
-$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DICOVERY_MODE=true -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginko.focus=”hwladetect”
+$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DISCOVERY_MODE=true -e ROLE_WORKER_CNF=worker-cnf -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginko.focus=”hwladetect”
 ----
 
 The above command runs the `hwlatdetect` tool for 10 minutes (600 seconds). The test runs successfully when the maximum observed latency is lower than `MAXIMUM_LATENCY` (20 μs), and the command line displays `SUCCESS!`.
@@ -646,7 +646,7 @@ To perform the `cyclictest`, run the following command:
 
 [source, terminal]
 ----
-$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DICOVERY_MODE=true -e LATENCY_TEST_CPUS=10 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginkgo.focus="cyclictest"
+$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DISCOVERY_MODE=true -e ROLE_WORKER_CNF=worker-cnf -e LATENCY_TEST_CPUS=10 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginkgo.focus="cyclictest"
 ----
 
 The above command runs the `cyclictest` tool for 10 minutes (600 seconds). The test runs successfully when the maximum observed latency is lower than `MAXIMUM_LATENCY` (20 μs), and the command line displays `SUCCESS!`.
@@ -730,7 +730,7 @@ More histogram entries ...
 
 [source, terminal]
 ----
-$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DICOVERY_MODE=true -e LATENCY_TEST_CPUS=7 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginkgo.focus="oslat"
+$ docker run -v $(pwd)/:/kubeconfig -e KUBECONFIG=/kubeconfig/kubeconfig -e LATENCY_TEST_RUN=true -e DISCOVERY_MODE=true -e ROLE_WORKER_CNF=worker-cnf -e LATENCY_TEST_CPUS=7 -e LATENCY_TEST_RUNTIME=600 -e MAXIMUM_LATENCY=20  registry.redhat.io/openshift4/cnf-tests-rhel8:v4.9 /usr/bin/test-run.sh -ginkgo.focus="oslat"
 ----
 
 The above command runs the `cyclictest` tool for 10 minutes (600 seconds). The test runs successfully when the maximum observed latency is lower than `MAXIMUM_LATENCY` (20 μs), and the command line displays `SUCCESS!`.