fix: set test env defaults for S3, Redis, and Hasura in e2e tests

S3Service constructor crashes with InvalidEndpointError when
DEMOS_DOMAIN is undefined, preventing test module compilation.
Add setupFiles with test env defaults and guard afterAll teardown.

Author: Flegma

test/app.e2e-spec.ts

@@ -16,7 +16,7 @@ describe("AppController (e2e)", () => {
   });
 
   afterAll(async () => {
-    await app.close();
+    if (app) await app.close();
   });
 
   it("should boot the application", () => {

test/auth.e2e-spec.ts

@@ -16,7 +16,7 @@ describe("Auth Guards (e2e)", () => {
   });
 
   afterAll(async () => {
-    await app.close();
+    if (app) await app.close();
   });
 
   describe("unauthenticated requests", () => {

test/jest-e2e.json

@@ -7,6 +7,7 @@
     "^.+\\.(t|j)s$": "ts-jest"
   },
   "transformIgnorePatterns": [],
+  "setupFiles": ["./test-env.ts"],
   "globalSetup": "./setup.ts",
   "globalTeardown": "./teardown.ts",
   "moduleNameMapper": {

test/matches.e2e-spec.ts

@@ -24,7 +24,7 @@ describe("Matches (e2e)", () => {
   });
 
   afterAll(async () => {
-    await app.close();
+    if (app) await app.close();
   });
 
   describe("GET /matches/current-match/:serverId", () => {

test/test-env.ts

@@ -0,0 +1,17 @@
+// Test environment defaults — loaded via jest setupFiles before each test worker.
+// Values are only set if not already present, so CI or local .env can override.
+
+process.env.DEMOS_DOMAIN = process.env.DEMOS_DOMAIN || "localhost";
+process.env.S3_ACCESS_KEY = process.env.S3_ACCESS_KEY || "test-key";
+process.env.S3_SECRET = process.env.S3_SECRET || "test-secret";
+process.env.S3_BUCKET = process.env.S3_BUCKET || "test-bucket";
+process.env.S3_ENDPOINT = process.env.S3_ENDPOINT || "localhost";
+process.env.S3_PORT = process.env.S3_PORT || "9000";
+
+process.env.REDIS_HOST = process.env.REDIS_HOST || "localhost";
+process.env.REDIS_SERVICE_PORT = process.env.REDIS_SERVICE_PORT || "6380";
+
+process.env.HASURA_GRAPHQL_ENDPOINT =
+  process.env.HASURA_GRAPHQL_ENDPOINT || "http://localhost:8080";
+process.env.HASURA_GRAPHQL_ADMIN_SECRET =
+  process.env.HASURA_GRAPHQL_ADMIN_SECRET || "test-secret";