fix: correct warning placement and update tests to account for parallel's behavior

tests/unit/scheduler-docker-local.bats

@@ -130,37 +130,48 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_success
-  assert_output_contains "Port publishing may not work as expected with multiple containers" 0
-  assert_output_contains "Port publishing may not work as expected with zero downtime" 0
+  assert_output_contains "Deploys may fail when publishing ports and scaling to multiple containers" 0
+  assert_output_contains "Deploys may fail when publishing ports and enabling zero downtime" 0
 
-  run /bin/bash -c "dokku ps:scale $TEST_APP web=2"
+  run /bin/bash -c "dokku docker-options:add $TEST_APP deploy '--publish 5000:5000'"
   echo "output: $output"
   echo "status: $status"
   assert_success
 
-  run deploy_app
-  echo "output: $output"
-  echo "status: $status"
-  assert_success
-  assert_output_contains "Port publishing may not work as expected with multiple containers" 1
-  assert_output_contains "Port publishing may not work as expected with zero downtime" 0
-
   run /bin/bash -c "dokku ps:scale --skip-deploy $TEST_APP web=2"
   echo "output: $output"
   echo "status: $status"
   assert_success
 
-  run deploy_app
+  # the expected output will be seen twice due to how parallel re-outputs stderr in its own output...
+  run /bin/bash -c "dokku ps:rebuild $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+  assert_output_contains "Deploys may fail when publishing ports and scaling to multiple containers" 2
+  assert_output_contains "Deploys may fail when publishing ports and enabling zero downtime" 0
+
+  run /bin/bash -c "dokku ps:scale --skip-deploy $TEST_APP web=1"
   echo "output: $output"
   echo "status: $status"
   assert_success
-  assert_output_contains "Port publishing may not work as expected with multiple containers" 0
-  assert_output_contains "Port publishing may not work as expected with zero downtime" 1
+
+  run /bin/bash -c "dokku ps:rebuild $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+  assert_output_contains "Deploys may fail when publishing ports and scaling to multiple containers" 0
+  assert_output_contains "Deploys may fail when publishing ports and enabling zero downtime" 2
 
   run /bin/bash -c "dokku checks:disable $TEST_APP"
   echo "output: $output"
   echo "status: $status"
   assert_success
-  assert_output_contains "Port publishing may not work as expected with multiple containers" 0
-  assert_output_contains "Port publishing may not work as expected with zero downtime" 0
+
+  run /bin/bash -c "dokku ps:rebuild $TEST_APP"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output_contains "Deploys may fail when publishing ports and scaling to multiple containers" 0
+  assert_output_contains "Deploys may fail when publishing ports and enabling zero downtime" 0
 }