fix yaml

Author: marcoieni

src/ci/github-actions/jobs.yml

@@ -212,59 +212,57 @@ auto:
   - image: dist-x86_64-netbsd
     <<: *job-linux-4c
 
+  # The i686-gnu job is split into multiple jobs to run tests in parallel.
+  # Here's the reasons for the two skip blocks in i686-gnu-1:
+  # - first: skip tests that run in i686-gnu-2.
+  # - second: skip tests that are unlikely to be platform specific, to speed up this slow job
   - image: i686-gnu-1
     env:
       IMAGE: i686-gnu
       SCRIPT: >
         python3 ../x.py --stage 2 test
-      # Skip tests that we run in i686-gnu-2
+
         --skip compiler
         --skip library
         --skip tidyselftest
-      # Skip some tests that are unlikely to be platform specific, to speed up
-      # this slow job.
+
         --skip src/bootstrap
         --skip tests/rustdoc-js
         --skip src/tools/error_index_generator
         --skip src/tools/linkchecker
     <<: *job-linux-4c
 
+  # Skip tests that run in i686-gnu-1
   - image: i686-gnu-2
     env:
       IMAGE: i686-gnu
       SCRIPT: >
         python3 ../x.py --stage 2 test
-      # Skip tests that we run in i686-gnu-1
         --skip tests
         --skip src
         --skip coverage-map
         --skip coverage-run
-      # Skip some tests that are unlikely to be platform specific, to speed up
-      # this slow job.
-        --skip src/bootstrap
-        --skip tests/rustdoc-js
-        --skip src/tools/error_index_generator
-        --skip src/tools/linkchecker
     <<: *job-linux-4c
 
+  # The i686-gnu-nopt job is split into multiple jobs to run tests in parallel.
+  # i686-gnu-nopt-1 skips tests that run in i686-gnu-nopt-2
   - image: i686-gnu-nopt-1
     env:
       IMAGE: i686-gnu-nopt
       SCRIPT: >
         python3 ../x.py test --stage 0 --config /config/nopt-std-config.toml library/std &&
         python3 ../x.py --stage 2 test
-      # Skip tests that we run in i686-gnu-nopt-1
         --skip compiler
         --skip library
         --skip tidyselftest
     <<: *job-linux-4c
 
+  # Skip tests that run in i686-gnu-nopt-1
   - image: i686-gnu-nopt-2
     env:
       IMAGE: i686-gnu-nopt
       SCRIPT: >
         python3 ../x.py --stage 2 test
-      # Skip tests that we run in i686-gnu-nopt-1
         --skip tests
         --skip src
         --skip coverage-map