gzip plugin brotli problems

gzip.config

cache true
remove-accept-encoding true
compressible-content-type text/*
supported-algorithms br,gzip

gzip.test.py

import os
import subprocess
Test.Summary = '''
Test gzip plugin
'''

# Skip if plugin not present.
Test.SkipUnless(Condition.PluginExists('gzip.so'))

# Set up to check the output after the tests have run.
#
gzip_log_id = Test.Disk.File("gzip_short.log")
gzip_log_id.Content = "gzip.gold"

server = Test.MakeOriginServer("server")

request_header = {
    "headers": "GET /foo HTTP/1.1\r\nHost: just.any.thing\r\n\r\n", "timestamp": "1469733493.993", "body": ""
}
# expected response from the origin server
response_header = {
    "headers": "HTTP/1.1 200 OK\r\nConnection: close\r\n" +
    'Etag: "359670651"\r\n' +
    "Cache-Control: public, max-age=31536000\r\n" +
    "Accept-Ranges: bytes\r\n" +
    "Content-Type: text/text\r\n" +
    "\r\n",
    "timestamp": "1469733493.993",
    "body": "lets go surfin now everybodys learnin how"
}
# add response to the server dictionary
server.addResponse("sessionfile.log", request_header, response_header)

# Define default ATS
ts = Test.MakeATSProcess("ts")

ts.Disk.records_config.update({
#TEMP
    'proxy.config.diags.debug.enabled': 1,
    'proxy.config.diags.debug.tags': 'http|gzip',
    'proxy.config.http.normalize_ae': 1,
})

ts.Disk.remap_config.AddLine(
    'map http://one.two.three/ http://127.0.0.1:{}/'.format(server.Variables.Port) +
    ' @plugin=gzip.so @pparam={}/gzip.config'.format(Test.TestDirectory)
)

# Ask the OS if the port is ready for connect()
#
def CheckPort(Port):
    return lambda: 0 == subprocess.call('netstat --listen --tcp -n | grep -q :{}'.format(Port), shell=True)

LogTee = " 2>&1 | tee -a {}/gzip_long.log".format(Test.RunDirectory)

tr = Test.AddTestRun()
tr.Processes.Default.StartBefore(ts, ready=CheckPort(ts.Variables.port))
tr.Processes.Default.StartBefore(server, ready=CheckPort(server.Variables.Port))
tr.Processes.Default.ReturnCode = 0
tr.Processes.Default.Command = (
    "curl --verbose --proxy http://127.0.0.1:{}".format(ts.Variables.port) +
    " --header 'Accept-Encoding: gzip, deflate, br' 'http://one.two.three/foo'" + LogTee
)

tr = Test.AddTestRun()
tr.Processes.Default.ReturnCode = 0
tr.Processes.Default.Command = (
    "curl --verbose --proxy http://127.0.0.1:{}".format(ts.Variables.port) +
    " --header 'Accept-Encoding: gzip, deflate' 'http://one.two.three/foo'" + LogTee
)