diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a4f713a..dc8bd39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,8 +19,6 @@ on:
 jobs:
   test-go:
     runs-on: ubuntu-latest
-    # This gates the job until a maintainer approves
-    environment: CI
     steps:
       - uses: actions/checkout@v4
         with:
@@ -35,32 +33,30 @@ jobs:
       - name: Run Go tests
         working-directory: ./go
         env:
-          GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
-        run: go test ./...
+          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+        run: go test -timeout 20m ./...
 
   test-java:
     runs-on: ubuntu-latest
-    environment: CI
     steps:
       - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.pull_request.head.sha || github.event.inputs.ref || github.ref }}
           persist-credentials: false
-      - name: Set up JDK 21
+      - name: Set up JDK 24
         uses: actions/setup-java@v4
         with:
-          java-version: '21'
+          java-version: '24'
           distribution: 'temurin'
           cache: maven
       - name: Run Java tests
         working-directory: ./java
         env:
-          GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
+          GOOGLE_API_KEY: ${{ secrets.GEMINI_API_KEY }}
         run: mvn -B test
 
   test-javascript:
     runs-on: ubuntu-latest
-    environment: CI
     steps:
       - uses: actions/checkout@v4
         with:
@@ -78,12 +74,11 @@ jobs:
       - name: Run JavaScript tests
         working-directory: ./javascript
         env:
-          GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
+          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
         run: node --test *.test.js
 
   test-python:
     runs-on: ubuntu-latest
-    environment: CI
     steps:
       - uses: actions/checkout@v4
         with:
@@ -99,5 +94,6 @@ jobs:
       - name: Run Python tests
         working-directory: ./python
         env:
-          GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
-        run: pytest .
+          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
+        # Discover and run all .py files as tests
+        run: python -m unittest discover -p "*.py"
diff --git a/javascript/grounding.js b/javascript/grounding.js
index 0920ec6..9fb4a95 100644
--- a/javascript/grounding.js
+++ b/javascript/grounding.js
@@ -17,12 +17,6 @@
 
 import { GoogleGenAI } from "@google/genai";
 
-// Ensure the API key is set in your environment variables
-if (!process.env.GEMINI_API_KEY) {
-  throw new Error("GEMINI_API_KEY environment variable not set.");
-}
-
-// Define the thinking model centrally
 const MODEL_ID = "gemini-2.5-flash";
 
 const ai = new GoogleGenAI({ apiKey: process.env.GEMINI_API_KEY });