seleniumserver: enable firefox 68.0.2esr

this is the firefox we are currently using on testnodes. It's useful to
be able to run test with exactly same version to debug issues.

software/seleniumserver/buildout.hash.cfg

@@ -19,4 +19,4 @@ md5sum = c4ac5de141ae6a64848309af03e51d88
 
 [template-selenium]
 filename = instance-selenium.cfg.in
-md5sum = 4179c998a71bd87b0f0bd624d545071b
+md5sum = 7c1a5a4f1a3916ddf3ec0db7b22ef820

software/seleniumserver/instance-selenium.cfg.in

@@ -93,11 +93,17 @@ capabilities = browserName=firefox,maxInstances=3,marionette=true,platform=LINUX
 java-args = -Dwebdriver.gecko.driver=${geckodriver-0.22.0:location}
 port = 7778
 
+[selenium-server-node-instance-firefox-68]
+<= selenium-server-node-instance
+capabilities = browserName=firefox,maxInstances=3,marionette=true,platform=LINUX,version=${firefox-68:version},firefox_binary=${firefox-wrapper-68:location}
+java-args = -Dwebdriver.gecko.driver=${geckodriver-0.24.0:location}
+port = 7779
+
 [selenium-server-node-instance-chromium-69]
 <= selenium-server-node-instance
 capabilities = browserName=chrome,maxInstances=3,platform=LINUX,version=${chromium-69:version},chrome_binary=${chromium-wrapper-69:location}
 java-args = -Dwebdriver.chrome.driver=${chromedriver-wrapper-2.41:location}
-port = 7779
+port = 7780
 
 
 [selenium-server-admin-password]
@@ -236,6 +242,7 @@ instance-promises =
   $${selenium-server-hub-listen-promise:path}
   $${selenium-server-node-firefox-52-listen-promise:path}
   $${selenium-server-node-firefox-60-listen-promise:path}
+  $${selenium-server-node-firefox-68-listen-promise:path}
   $${selenium-server-node-instance-chromium-69-listen-promise:path}
 
 
@@ -268,6 +275,11 @@ port = $${selenium-server-node-instance-firefox-52:port}
 hostname = $${selenium-server-node-instance-firefox-60:hostname}
 port = $${selenium-server-node-instance-firefox-60:port}
 
+[selenium-server-node-firefox-68-listen-promise]
+<= check-port-listening-promise
+hostname = $${selenium-server-node-instance-firefox-68:hostname}
+port = $${selenium-server-node-instance-firefox-68:port}
+
 [selenium-server-node-instance-chromium-69-listen-promise]
 <= check-port-listening-promise
 hostname = $${selenium-server-node-instance-chromium-69:hostname}

software/seleniumserver/test/test.py

@@ -401,6 +401,11 @@ class TestFirefox60(BrowserCompatibilityMixin, SeleniumServerTestCase):
   user_agent = 'Gecko/20100101 Firefox/60.0'
 
 
+class TestFirefox68(BrowserCompatibilityMixin, SeleniumServerTestCase):
+  desired_capabilities = dict(DesiredCapabilities.FIREFOX, version='68.0.2esr')
+  user_agent = 'Gecko/20100101 Firefox/68.0'
+
+
 class TestChrome69(BrowserCompatibilityMixin, SeleniumServerTestCase):
   desired_capabilities = dict(DesiredCapabilities.CHROME, version='69.0.3497.0')
   user_agent = 'Chrome/69.0.3497.0'