Move macOS WPT chunk 1 (only) from Buildbot to Taskcluster

etc/ci/buildbot_steps.yml

@@ -5,18 +5,6 @@ env:
   SCCACHE_IDLE_TIMEOUT: "1200"
   GST_DEBUG: '3'
 
-mac-rel-wpt1:
-  - ./mach clean-nightlies --keep 3 --force
-  - ./mach clean-cargo-cache --keep 3 --force
-  - env PKG_CONFIG_PATH=/usr/local/opt/zlib/lib/pkgconfig ./mach build --release
-  - ./mach run -r -o output.png
-  - ./mach test-wpt-failure
-  - ./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 tests/wpt/mozilla/tests/mozilla/secure.https.html
-  - bash ./etc/ci/lockfile_changed.sh
-
 mac-rel-wpt2:
   - ./mach clean-nightlies --keep 3 --force
   - ./mach clean-cargo-cache --keep 3 --force
@@ -245,3 +233,4 @@ android: []
 android-x86: []
 linux-rel-wpt: []
 linux-rel-css: []
+mac-rel-wpt1: []

etc/taskcluster/decision_task.py

@@ -21,9 +21,6 @@ def main(task_for):
         magicleap_dev = linux_arm32_dev = linux_arm64_dev = \
             android_arm32_dev_from_macos = lambda: None
 
-        # FIXME: not enabled yet
-        macos_wpt = lambda: None
-
         # FIXME https://github.com/servo/servo/issues/22187
         # In-emulator testing is disabled for now. (Instead we only compile.)
         # This local variable shadows the module-level function of the same name.
@@ -82,8 +79,6 @@ def main(task_for):
 # but should still run when testing this Python code. (See `mock.py`.)
 def mocked_only():
     windows_release()
-    linux_wpt()
-    macos_wpt()
     android_x86_wpt()
     decisionlib.DockerWorkerTask("Indexed by task definition").find_or_create()
 
@@ -343,7 +338,7 @@ def macos_wpt():
     def macos_run_task(name):
         return macos_task(name).with_python2()
     wpt_chunks("macOS x64", macos_run_task, build_task, repo_dir="repo",
-               total_chunks=6, processes=4)
+               total_chunks=6, processes=4, chunks=[1])
 
 
 def wpt_chunks(platform, make_chunk_task, build_task, total_chunks, processes,