From ef9cfd91a8f546c9f389afeb0af47d20f27c8363 Mon Sep 17 00:00:00 2001
From: "Michael B. Gale" <mbg@github.com>
Date: Tue, 17 Feb 2026 13:28:56 +0000
Subject: [PATCH] Clear GHA `JAVA_HOME_*` env vars for `discoverActionsJdks`
 test

---
 src/start-proxy/environment.test.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/start-proxy/environment.test.ts b/src/start-proxy/environment.test.ts
index 79ab25068..5d81ecc17 100644
--- a/src/start-proxy/environment.test.ts
+++ b/src/start-proxy/environment.test.ts
@@ -66,6 +66,13 @@ test("checkJavaEnvironment - logs values when variables are set", (t) => {
 });
 
 test("discoverActionsJdks - discovers JDK paths", (t) => {
+  // Clear GHA variables that may interfere with this test in CI.
+  for (const envVar of Object.keys(process.env)) {
+    if (envVar.startsWith("JAVA_HOME_")) {
+      delete process[envVar];
+    }
+  }
+
   const jdk8 = "/usr/lib/jvm/temurin-8-jdk-amd64";
   const jdk17 = "/usr/lib/jvm/temurin-17-jdk-amd64";
   const jdk21 = "/usr/lib/jvm/temurin-21-jdk-amd64";