test: fix E2E download test for empty config protection

e2e/environment.spec.ts

@@ -179,6 +179,19 @@ test.describe('Environment Management', () => {
     await page.goto('/');
     await page.click('button:has-text("New Config")');
     await page.waitForTimeout(500);
+    
+    // Add a parameter to make the config non-empty (Download button requires non-empty config)
+    await page.click('button[title="Add parameter"]');
+    await page.waitForTimeout(300);
+    const nameInput = page.locator('input[placeholder="Parameter name"]').last();
+    const valueInput = page.locator('input[placeholder="Parameter value"]').last();
+    const addButton = page.locator('button[title="Add parameter"]').last();
+    await nameInput.fill('host');
+    await valueInput.fill('localhost');
+    await addButton.click();
+    await page.waitForTimeout(500);
+    
+    // Now download should work
     const [download] = await Promise.all([
       page.waitForEvent('download'),
       page.click('button:has-text("Download")')

test-results/.last-run.json

@@ -1,13 +1,4 @@
 {
-  "status": "failed",
-  "failedTests": [
-    "2a84b67ca6571daf27b7-7e9801b0b833c50af541",
-    "2a84b67ca6571daf27b7-17ce5649ea02e0d09692",
-    "2a84b67ca6571daf27b7-46f1d47e52a9de8bb54e",
-    "2a84b67ca6571daf27b7-5ac3b387f0f8104531f1",
-    "2a84b67ca6571daf27b7-61b44892e9e54397b980",
-    "2a84b67ca6571daf27b7-e38411b679b6dd8a5f2c",
-    "2a84b67ca6571daf27b7-ca92b197b6f7ecc9f092",
-    "2a84b67ca6571daf27b7-0c2a356d8582be760d5f"
-  ]
+  "status": "passed",
+  "failedTests": []
 }