Try to launch detached, doesn't work, need ctrl-c

tests/test_smoke.py

@@ -801,11 +801,17 @@ def test_gcp_mig():
 def test_gcp_use_internal_ips():
     name = _get_cluster_name()
     test_commands = [
-        f'sky launch -y -c {name} tests/test_yamls/minimal.yaml',
+        # Launch detached because internal ips will prevent sshing for setup
+        f'(sky launch -y -s -c {name} tests/test_yamls/minimal.yaml)',
+        # Wait for the vm to be up
+        'sleep 20',
+        # Check network of vm is "default"
         (f'gcloud compute instances list --filter=name~"{name}" --format='
          '"value(networkInterfaces.network)" | grep "networks/default"'),
+        # Check no entries in network interfaces access configs,
+        # where external ips would be
         (f'gcloud compute instances list --filter=name~"{name}" --format='
-         '"value(networkInterfaces.accessConfigs[0].name)" | wc -w  | grep 0'),
+         '"value(networkInterfaces.accessConfigs)" | wc -w  | grep 0'),
         f'sky down -y {name}',
     ]
     test = Test(
@@ -821,10 +827,12 @@ def test_gcp_force_enable_external_ips():
     name = _get_cluster_name()
     test_commands = [
         f'sky launch -y -c {name} tests/test_yamls/minimal.yaml',
+        # Check network of vm is "default"
         (f'gcloud compute instances list --filter=name~"{name}" --format='
          '"value(networkInterfaces.network)" | grep "networks/default"'),
+        # Check External NAT in network access configs, corresponds to external ip
         (f'gcloud compute instances list --filter=name~"{name}" --format='
-         '"value(networkInterfaces.accessConfigs[0].name)" | grep "External"'),
+         '"value(networkInterfaces.accessConfigs[0].name)" | grep "External NAT"'),
         f'sky down -y {name}',
     ]
     skypilot_config = 'tests/test_yamls/force_enable_external_ips_config.yaml'