Make SSL tests work in servodriver.

etc/ci/buildbot_steps.yml

@@ -14,7 +14,7 @@ mac-rel-wpt1:
   - ./mach test-wpt --release --processes 4 --total-chunks 6 --this-chunk 1 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
   - ./mach filter-intermittents wpt-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-wpt-errorsummary.log --tracker-api default --reporter-api default
   - ./mach test-wpt --release --binary-arg=--multiprocess --processes 8 --log-raw test-wpt-mp.log --log-errorsummary wpt-mp-errorsummary.log eventsource
-  - ./mach test-wpt --release --product=servodriver --headless tests/wpt/mozilla/tests/mozilla/DOMParser.html tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html tests/wpt/mozilla/tests/css/img_simple.html
+  - ./mach test-wpt --release --product=servodriver --headless tests/wpt/mozilla/tests/mozilla/DOMParser.html tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html tests/wpt/mozilla/tests/css/img_simple.html tests/wpt/mozilla/tests/mozilla/secure.https.html
   - bash ./etc/ci/lockfile_changed.sh
 
 mac-rel-wpt2:
@@ -142,7 +142,7 @@ linux-rel-wpt:
     - ./mach test-wpt --release --processes 24 --total-chunks 2 --this-chunk 1 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
     - ./mach filter-intermittents wpt-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-wpt-errorsummary.log --tracker-api default --reporter-api default
     - ./mach test-wpt --release --binary-arg=--multiprocess --processes 24 --log-raw test-wpt-mp.log --log-errorsummary wpt-mp-errorsummary.log eventsource
-    - ./mach test-wpt --release --product=servodriver --headless tests/wpt/mozilla/tests/mozilla/DOMParser.html tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html tests/wpt/mozilla/tests/css/img_simple.html
+    - ./mach test-wpt --release --product=servodriver --headless tests/wpt/mozilla/tests/mozilla/DOMParser.html tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html tests/wpt/mozilla/tests/css/img_simple.html tests/wpt/mozilla/tests/mozilla/secure.https.html
     - ./etc/ci/clean_build_artifacts.sh
 
 linux-rel-css:

tests/wpt/metadata/MANIFEST.json

    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/servodriver.py": [
-   "1632f8f539ced2807ea7fa89258f6db9ef4eb47c", 
+   "44efb8950b68a593417e49be668148b5daa452f6", 
    "support"
   ], 
   "tools/wptrunner/wptrunner/browsers/webkit.py": [

tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/browsers/servodriver.py

@@ -89,6 +89,7 @@ def __init__(self, logger, binary, debug_info=None, webdriver_host="127.0.0.1",
         self.command = None
         self.user_stylesheets = user_stylesheets if user_stylesheets else []
         self.headless = headless if headless else False
+        self.ca_certificate_path = server_config.ssl_config["ca_cert_path"]
 
     def start(self, **kwargs):
         self.webdriver_port = get_free_port(4444, exclude=self.used_ports)
@@ -117,6 +118,9 @@ def start(self, **kwargs):
         if self.headless:
             command += ["--headless"]
 
+        if self.ca_certificate_path:
+            command += ["--certificate-path", self.ca_certificate_path]
+
         for stylesheet in self.user_stylesheets:
             command += ["--user-stylesheet", stylesheet]