fix: even longer E2Es for increased reliability

Signed-off-by: Alon Kellner <akellner@redhat.com>

Author: AlonKellner-RedHat

tests/e2e/test_successful_benchmark.py

@@ -41,8 +41,8 @@ def test_max_seconds_benchmark(server: VllmSimServer):
     Test that the max seconds constraint is properly triggered.
     """
     report_path = Path("tests/e2e/max_duration_benchmarks.json")
-    rate = 10
-    duration = 2
+    rate = 4
+    duration = 5
     max_seconds = duration
     # Create and configure the guidellm client
     client = GuidellmClient(target=server.get_url(), output_path=report_path)
@@ -83,8 +83,8 @@ def test_max_requests_benchmark(server: VllmSimServer):
     Test that the max requests constraint is properly triggered.
     """
     report_path = Path("tests/e2e/max_number_benchmarks.json")
-    rate = 10
-    duration = 2
+    rate = 4
+    duration = 5
     max_requests = rate * duration
 
     # Create and configure the guidellm client