Cleanup e2e test scripts

Remove unnecessary environment variables
Remove unused functions
Remove bad `kill` command using unset variable
Fix typos

test/e2e-common.sh

@@ -45,7 +45,7 @@ function install_pipelines() {
   echo ">> Deploying Tekton Pipelines ($version)"
   kubectl apply --filename "https://github.com/tektoncd/pipeline/releases/download/$version/release.yaml" || fail_test "Tekton Pipelines installation failed"
 
-  # Make sure thateveything is cleaned up in the current namespace.
+  # Make sure that everything is cleaned up in the current namespace.
   for res in pipelineresources tasks pipelines taskruns pipelineruns; do
     kubectl delete --ignore-not-found=true ${res}.tekton.dev --all
   done
@@ -64,20 +64,6 @@ function install_triggers() {
   wait_until_pods_running tekton-pipelines || fail_test "Tekton Triggers did not come up"
 }
 
-function uninstall_pipelines() {
-  local version=$1
-
-  echo ">> Deleting Tekton Pipelines ($version)"
-  kubectl delete --filename "https://github.com/tektoncd/pipeline/releases/download/$version/release.yaml" || fail_test "Tekton Pipelines deletion failed"
-}
-
-function uninstall_triggers() {
-  local version=$1
-
-  echo ">> Deleting Tekton Triggers ($version)"
-  kubectl delete --filename "https://github.com/tektoncd/triggers/releases/download/$version/release.yaml" || fail_test "Tekton Triggers deletion failed"
-}
-
 # Called by `fail_test` (provided by `e2e-tests.sh`) to dump info on test failure
 function dump_extra_cluster_state() {
   echo ">>> Pipeline controller log:"
@@ -147,7 +133,7 @@ function curl_envsubst_resource() {
     exit 1
   fi
   set -x
-  cat "$1" | envsubst | curl -sS -X "$2" --data-binary @- -H "Content-Type: application/yaml" "$3" -H "Tekton-Client: tektoncd/dashboard"
+  cat "$1" | envsubst | curl -sS -X "$2" --data-binary @- -H "Content-Type: application/yaml" "$3" -H "Tekton-Client: tektoncd/dashboard-e2e"
   set +x
 }
 

test/e2e-tests.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright 2018-2021 The Tekton Authors
+# Copyright 2018-2022 The Tekton Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -81,8 +81,6 @@ test_dashboard() {
   fi
 
   # API/resource configuration
-  export APP_SERVICE_ACCOUNT="e2e-tests"
-  export PIPELINE_NAME="simple-pipeline"
   export PIPELINE_RUN_NAME="e2e-pipelinerun"
   export POD_LABEL="tekton.dev/pipelineRun=$PIPELINE_RUN_NAME"
   export EXPECTED_RETURN_VALUE="Hello World!"
@@ -198,7 +196,6 @@ test_dashboard() {
     --global-var readonly=$readonly || fail_test "Postman Triggers collection tests failed"
 
   kill -9 $dashboardForwardPID
-  kill -9 $podForwardPID
 
   $tekton_repo_dir/scripts/installer uninstall ${@:2}
 

test/resources/envsubst/pipelinerun.yaml

@@ -8,5 +8,5 @@ metadata:
     app: e2e-pipelinerun
 spec:
   pipelineRef:
-    name: ${PIPELINE_NAME}
-  serviceAccountName: ${APP_SERVICE_ACCOUNT}
+    name: simple-pipeline
+  serviceAccountName: e2e-tests