try fix error in CI setup

Author: sunxd3

.buildkite/pipeline.yml

@@ -1,5 +1,5 @@
 env:
-  # SECRET_CODECOV_TOKEN: "nkcRFVXdaPNAbiI0x3qK/XUG8rWjBc8fU73YEyP35SeS465XORqrIYrHUbHuJTRyeyqNRdsHaBcV1P7TBbKAaTQAjHQ1Q0KYfd0uRMSWpZSCgTBz5AwttAxVfFrX+Ky3PzTi2TfDe0uPFZtFo0Asq6sUEr1on+Oo+j+q6br2NK6CrA5yKKuTX4Q2V/UPOIK4vNXY3+zDTKSNtr+HQOlcVEeRIk/0ZQ78Cjd52flEaVw8GWo/CC4YBzLtcOZgaFdgOTEDNHMr0mw6zLE4Y6nxq4lHVSoraSjxjhkB0pXTZ1c51yHX8Jc+q6HC5s87+2Zq5YtsuQSGao+eMtkTAYwfLw==;U2FsdGVkX18z27J3+gNgxsPNnXA0ad4LvZnXeohTam7/6UPqX5+3BYI0tAiVkCho4vlJyL7dd8JEyNtk9BFXsg=="
+  # SECRET_CODECOV_TOKEN can be added here if needed for coverage reporting
 
 steps:
   - label: "Julia v{{matrix.version}}, {{matrix.label}}"
@@ -10,7 +10,7 @@ steps:
       #     dirs:
       #       - src
       #       - ext
-    command: julia --project=test/ext --eval='include("test/ext/cuda.jl")'
+    command: julia --eval='include("test/ext/cuda.jl")'
     agents:
       queue: "juliagpu"
       cuda: "*"