Run tests on Alpine 3.10. (dotnet/coreclr#27093)

* Run tests on Alpine 3.10.

* Only run Alpine 3.10 in public PR/CI.

Commit migrated from https://github.com/dotnet/coreclr/commit/ac547d2df8b9ef1243a93a41e054ad8d91556f47

diff --git a/eng/platform-matrix-managed-test-build.yml b/eng/platform-matrix-managed-test-build.yml
index dc1702d..8d2c497 100644 (file)
--- a/eng/platform-matrix-managed-test-build.yml
+++ b/eng/platform-matrix-managed-test-build.yml
@@ -100,10 +100,11 @@ jobs:
         registry: mcr
       helixQueues:
       - ${{ if eq(variables['System.TeamProject'], 'public') }}:
-        - (Alpine.38.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-09ca40b-20190508143246
+        - (Alpine.310.Amd64.Open)Ubuntu.1604.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
       - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
         - (Alpine.38.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.8-helix-09ca40b-20190508143246
         - (Alpine.39.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.9-helix-09ca40b-20190508143246
+        - (Alpine.310.Amd64)ubuntu.1604.amd64@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.10-helix-3043688-20190918214010
       ${{ insert }}: ${{ parameters.jobParameters }}
 
 # Linux musl arm64