Fix HLS automatic test (#2572)

* mv automated test cleanup to tools.sh

check media file exists before streaming in test/ocTestStream.sh
fix automatic test ffmpeg detection
mv trap to tools
mv update_storage_config() to tools
enable S3 test

* fix video file check in test/ocTestStream.sh

* cleanup ci

* mv auto test owncast build-run to start_owncast()

* suppress cleanup errors

* fix style

* fix Browser Test paths

* use pull_request event for Browser Tests

* explicitly mention when test is skipped

* refactor shell scripts

.github/workflows/automated-end-to-end-api.yaml

@@ -3,12 +3,9 @@ name: Automated API tests
 on:
   push:
     paths-ignore:
-      - 'webroot/**'
       - 'web/**'
-
   pull_request:
     paths-ignore:
-      - 'webroot/**'
       - 'web/**'
 
 jobs: