Use GitHub runner temp dir when available

buildpacks/release-phase/tests/integration_test.rs

@@ -1,6 +1,8 @@
 // Required due to: https://github.com/rust-lang/rust/issues/95513
 #![allow(unused_crate_dependencies)]
 
+use std::{env, path::Path};
+
 use libcnb_test::{assert_contains, ContainerConfig};
 use tempfile::tempdir;
 use test_support::{
@@ -67,8 +69,15 @@ fn project_uses_release_build_and_web_process_loads_artifacts() {
         "./fixtures/project_uses_release_build_with_web_process",
         |ctx| {
             let unique = Uuid::new_v4();
-            let local_storage_path =
+            let maybe_github_runner_temp_dir = env::var("RUNNER_TEMP");
+            let temp_dir =
                 tempdir().expect("should create temporary directory for artifact storage");
+            let local_storage_path =
+                if let Ok(github_runner_temp_dir) = &maybe_github_runner_temp_dir {
+                    Path::new(github_runner_temp_dir)
+                } else {
+                    temp_dir.path()
+                };
             let container_volume_path = "/static-artifacts-storage";
             let container_volume_url = "file://".to_owned() + container_volume_path;
 
@@ -80,7 +89,7 @@ fn project_uses_release_build_and_web_process_loads_artifacts() {
                 ContainerConfig::new()
                     .env("RELEASE_ID", unique)
                     .env("STATIC_ARTIFACTS_URL", &container_volume_url)
-                    .bind_mount(local_storage_path.path(), container_volume_path),
+                    .bind_mount(local_storage_path, container_volume_path),
                 &"release".to_string(),
                 |container| {
                     let log_output = container.logs_now();
@@ -99,7 +108,7 @@ fn project_uses_release_build_and_web_process_loads_artifacts() {
                 ContainerConfig::new()
                     .env("RELEASE_ID", unique)
                     .env("STATIC_ARTIFACTS_URL", &container_volume_url)
-                    .bind_mount(local_storage_path.path(), container_volume_path),
+                    .bind_mount(local_storage_path, container_volume_path),
                 &"web".to_string(),
                 |container| {
                     let log_output = container.logs_now();