[rdct] XPlatLauncher java_home_test fix

GitOrigin-RevId: 47193a6a8371ca5350fcdf14ca4e9f642ea316bc

native/XPlatLauncher/tests/utils/mod.rs

@@ -81,6 +81,11 @@ fn prepare_test_env_impl(layout_kind: &LayoutSpec) -> Result<TestEnvironment> {
         test_root_dir: temp_dir
     };
 
+    // clean environment variables
+    env::remove_var("IU_JDK");
+    env::remove_var("JDK_HOME");
+    env::remove_var("JAVA_HOME");
+
     Ok(result)
 }