Split out some mac builds

etc/ci/buildbot_steps.yml

@@ -2,7 +2,7 @@ mac-rel-wpt1:
   - ./mach clean-nightlies --keep 3 --force
   - ./mach build --release
   - ./mach test-wpt-failure
-  - ./mach test-wpt --release --processes 4 --total-chunks 2 --this-chunk 1 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
+  - ./mach test-wpt --release --processes 4 --total-chunks 4 --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 --use-tracker
   - ./mach test-wpt --release --binary-arg=--multiprocess --processes 8 --log-raw test-wpt-mp.log --log-errorsummary wpt-mp-errorsummary.log eventsource
   - ./mach build-cef --release
@@ -12,10 +12,22 @@ mac-rel-wpt1:
 mac-rel-wpt2:
   - ./mach clean-nightlies --keep 3 --force
   - ./mach build --release
-  - ./mach test-wpt --release --processes 4 --total-chunks 2 --this-chunk 2 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
+  - ./mach test-wpt --release --processes 4 --total-chunks 4 --this-chunk 2 --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 --use-tracker
   - ./mach build-geckolib --release
 
+mac-rel-wpt3:
+  - ./mach clean-nightlies --keep 3 --force
+  - ./mach build --release
+  - ./mach test-wpt --release --processes 4 --total-chunks 4 --this-chunk 3 --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 --use-tracker
+
+mac-rel-wpt4:
+  - ./mach clean-nightlies --keep 3 --force
+  - ./mach build --release
+  - ./mach test-wpt --release --processes 4 --total-chunks 4 --this-chunk 4 --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 --use-tracker
+
 mac-dev-unit:
   - ./mach clean-nightlies --keep 3 --force
   - env SERVO_RUSTC_LLVM_ASSERTIONS=1 ./mach build --dev
@@ -26,14 +38,20 @@ mac-dev-unit:
   - bash ./etc/ci/lockfile_changed.sh
   - bash ./etc/ci/manifest_changed.sh
 
-mac-rel-css:
+mac-rel-css1:
   - ./mach clean-nightlies --keep 3 --force
   - ./mach build --release
-  - ./mach test-css --release --processes 4 --log-raw test-css.log --log-errorsummary css-errorsummary.log --always-succeed
+  - ./mach test-css --release --processes 4 --total-chunks 2 --this-chunk 1 --log-raw test-css.log --log-errorsummary css-errorsummary.log --always-succeed
   - ./mach filter-intermittents css-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-css-errorsummary.log --use-tracker
   - bash ./etc/ci/lockfile_changed.sh
   - bash ./etc/ci/manifest_changed.sh
 
+mac-rel-css2:
+  - ./mach clean-nightlies --keep 3 --force
+  - ./mach build --release
+  - ./mach test-css --release --processes 4 --total-chunks 2 --this-chunk 2 --log-raw test-css.log --log-errorsummary css-errorsummary.log --always-succeed
+  - ./mach filter-intermittents css-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-css-errorsummary.log --use-tracker
+
 mac-nightly:
   - ./mach clean-nightlies --keep 3 --force
   - ./mach build --release