From 7c31cbfea8ad33394c396e3d891792f03c1a0636 Mon Sep 17 00:00:00 2001
From: Beforerr <zzj956959688@gmail.com>
Date: Wed, 30 Sep 2026 14:00:03 -0600
Subject: [PATCH] test: install JET only on non-prerelease Julia

---
 test/Project.toml |  1 -
 test/runtests.jl  | 14 ++++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/test/Project.toml b/test/Project.toml
index 22e9537..2b76fbb 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -4,7 +4,6 @@ CommonDataFormat = "a9737db6-c05c-4e48-868b-6bc41491d9d9"
 CommonDataModel = "1fbeeb36-5f17-413c-809b-666fb144f157"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
-JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
 JuliaC = "acedd4c2-ced6-4a15-accc-2607eb759ba2"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/runtests.jl b/test/runtests.jl
index 4a5db80..b4c5a72 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,3 +1,8 @@
+using Pkg
+# prereleases often have no installable JET.
+const RUN_JET_TESTS = isempty(VERSION.prerelease)
+RUN_JET_TESTS && Pkg.add("JET")
+
 using CommonDataFormat
 using Test
 import CommonDataFormat as CDF
@@ -20,12 +25,9 @@ end
     Aqua.test_all(CommonDataFormat)
 end
 
-const RUN_JET_TESTS = isempty(VERSION.prerelease)
-
-@testset "JET" begin
-    if RUN_JET_TESTS
-        using Pkg; Pkg.add("JET"; io = devnull); Pkg.instantiate()
-        using JET
+if RUN_JET_TESTS
+    using JET
+    @testset "JET" begin
         JET.test_package(CommonDataFormat; target_modules = [CommonDataFormat])
     end
 end