vulkan: force device 0 in CI (#14106)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3c9804d437cdc0d291ea29ad4c1da1c1f18dc290..5422dd81723f917a21e8f4069178a47962985610 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -306,6 +306,7 @@ jobs:
         id: cmake_test
         run: |
           cd build
+          export GGML_VK_VISIBLE_DEVICES=0
           # This is using llvmpipe and runs slower than other backends
           ctest -L main --verbose --timeout 3600