Promote test i686-linux-gnu[net] and gcext to must-pass (#344)

pipelines/main/launch_signed_jobs.yml.signature

@@ -1 +1 @@
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+Salted__����c��]d8i}��E���QA�W�2i8�!��Ƣ�?��3\�+���w9[Ln���8q���81��<"j	�E�c��Q���)�

pipelines/main/launch_unsigned_jobs.yml

@@ -84,11 +84,18 @@ steps:
               repo_url: "https://github.com/JuliaCI/julia-buildkite"
         commands: |
           export ALLOW_FAIL="false"
+          buildkite-agent pipeline upload .buildkite/pipelines/main/misc/gcext.yml
+
           # Launch Linux test jobs
           GROUP="Test" \
               bash .buildkite/utilities/arches_pipeline_upload.sh \
               .buildkite/pipelines/main/platforms/test_linux.arches \
               .buildkite/pipelines/main/platforms/test_linux.yml
+          # Launch i686-linux-gnu test jobs
+          GROUP="Test" \
+              bash .buildkite/utilities/arches_pipeline_upload.sh \
+              .buildkite/pipelines/main/platforms/test_linux.i686.arches \
+              .buildkite/pipelines/main/platforms/test_linux.i686.yml
           # Launch macOS test jobs
           GROUP="Test" \
               bash .buildkite/utilities/arches_pipeline_upload.sh \
@@ -116,11 +123,6 @@ steps:
               bash .buildkite/utilities/arches_pipeline_upload.sh \
               .buildkite/pipelines/main/platforms/build_linux.soft_fail.arches \
               .buildkite/pipelines/main/platforms/build_linux.yml
-          # Launch i686-linux-gnu test jobs
-          GROUP="Allow Fail" \
-              bash .buildkite/utilities/arches_pipeline_upload.sh \
-              .buildkite/pipelines/main/platforms/test_linux.i686.arches \
-              .buildkite/pipelines/main/platforms/test_linux.i686.yml
           # Launch macOS allowed-to-fail build jobs
           GROUP="Allow Fail" \
               bash .buildkite/utilities/arches_pipeline_upload.sh \
@@ -136,7 +138,6 @@ steps:
               repo_url: "https://github.com/JuliaCI/julia-buildkite"
         commands: |
           export ALLOW_FAIL="true"
-          buildkite-agent pipeline upload .buildkite/pipelines/main/misc/gcext.yml
 
           # Launch Linux allowed-to-fail test jobs
           GROUP="Allow Fail" \

pipelines/main/launch_upload_jobs.yml.signature

@@ -1 +1 @@
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pipelines/main/misc/gcext.yml

@@ -1,5 +1,5 @@
 steps:
-  - group: "Allow Fail"
+  - group: "Test"
     steps:
       - label: "gcext"
         key: "gcext"