fix CI issue

Author: Andrei Bratu

tests/integration/evals.test.ts

@@ -33,12 +33,25 @@ interface TestSetup {
     stagingEnvironmentId: string;
 }
 
+function readEnvironment() {
+    if (![process.env.HUMANLOOP_API_KEY, process.env.OPENAI_API_KEY].every(Boolean)) {
+        // Testing locally not in CI, running dotenv.config() would override the secrets set for GitHub Action
+        dotenv.config({});
+    }
+    if (!process.env.HUMANLOOP_API_KEY) {
+        throw new Error("HUMANLOOP_API_KEY is not set");
+    }
+    if (!process.env.OPENAI_API_KEY) {
+        throw new Error("OPENAI_API_KEY is not set for integration tests");
+    }
+}
+
 describe("Evals", () => {
     let humanloopClient: HumanloopClient;
     let openaiApiKey: string;
 
     beforeAll(async () => {
-        dotenv.config();
+        readEnvironment();
         if (!process.env.HUMANLOOP_API_KEY) {
             throw new Error("HUMANLOOP_API_KEY is not set");
         }