From 99021c12269d1d83b0aa92b4eab9dd12877bb6ca Mon Sep 17 00:00:00 2001
From: Dave Hunt <dave.hunt@gmail.com>
Date: Fri, 11 Aug 2017 14:20:13 +0100
Subject: [PATCH 1/3] Heracules bravely decapitated the many heads of Hydra!

This change runs headless Firefox instances in parallel. Hydra had lots of heads running in parallel. Heracules made Hydra headless. Forgive me.
---
 .travis.yml        | 2 +-
 tests/webserver.py | 2 +-
 tox.ini            | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 7e7461e6..1771ebb8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ _aliases:
       paths:
         - results
   - &nightly
-    env: FIREFOX=nightly
+    env: FIREFOX=nightly PYTEST_ADDOPTS=-n=auto
     addons:
       <<: *artifacts
       firefox: latest-nightly
diff --git a/tests/webserver.py b/tests/webserver.py
index 130d52f8..b1fc5e4e 100644
--- a/tests/webserver.py
+++ b/tests/webserver.py
@@ -30,7 +30,7 @@ def translate_path(self, path):
 class WebServer(object):
     """Web server for serving local files within the /web directory."""
 
-    def __init__(self, host='', port=8000):
+    def __init__(self, host='', port=0):
         """Set up web server.
 
         Args:
diff --git a/tox.ini b/tox.ini
index 74dfee02..36468a33 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist = py{27,36}, flake8, docs
 
 [testenv]
 recreate = True
-passenv = DISPLAY MOZ_HEADLESS TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
+passenv = DISPLAY MOZ_HEADLESS PYTEST_ADDOPTS TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
 deps = pipenv
 commands =
     pipenv install --dev --skip-lock

From b337bb5e280ea8ab1b4f9a2afebffe194bdae4cd Mon Sep 17 00:00:00 2001
From: Dave Hunt <dave.hunt@gmail.com>
Date: Fri, 26 Jan 2018 22:12:02 +0000
Subject: [PATCH 2/3] Limit to 8 parallel processes

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 1771ebb8..70b3b03d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ _aliases:
       paths:
         - results
   - &nightly
-    env: FIREFOX=nightly PYTEST_ADDOPTS=-n=auto
+    env: FIREFOX=nightly PYTEST_ADDOPTS=-n=8
     addons:
       <<: *artifacts
       firefox: latest-nightly

From 33fdde34c5e408caff2d505df0fc3b93e8f4f780 Mon Sep 17 00:00:00 2001
From: Dave Hunt <dave.hunt@gmail.com>
Date: Mon, 26 Mar 2018 17:34:11 +0100
Subject: [PATCH 3/3] fixup! Heracules bravely decapitated the many heads of
 Hydra!

---
 Pipfile | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/Pipfile b/Pipfile
index 13253905..0a0786f4 100644
--- a/Pipfile
+++ b/Pipfile
@@ -1,17 +1,12 @@
 [[source]]
-
 url = "https://pypi.python.org/simple"
 verify_ssl = true
 name = "pypi"
 
-
 [packages]
-
 selenium = "==3.11.0"
 
-
 [dev-packages]
-
 coveralls = "==1.3.0"
 flake8 = "==3.5.0"
 flake8-docstrings = "==1.3.0"
@@ -19,3 +14,4 @@ flake8-isort = "==2.5"
 pytest = "==3.5.0"
 pytest-cov = "==2.5.1"
 pytest-selenium = "==1.12.0"
+pytest-xdist = "==1.22.2"