List unhealthy containers when product tests health check fails

Author: jkylling

testing/trino-product-tests-launcher/src/main/java/io/trino/tests/product/launcher/env/Environment.java

@@ -169,7 +169,7 @@ private Environment tryStart()
             log.info("Started environment %s with containers:\n%s", name, table.render());
 
             // After deepStart all containers should be running and healthy
-            checkState(allContainersHealthy(containers), "Not all containers are running or healthy");
+            checkState(allContainersHealthy(containers), format("The containers %s are not running or healthy", unhealthyContainers(containers)));
 
             listener.environmentStarted(this);
             return this;
@@ -332,6 +332,13 @@ private static boolean allContainersHealthy(Iterable<DockerContainer> containers
                 .allMatch(Environment::containerIsHealthy);
     }
 
+    private static List<DockerContainer> unhealthyContainers(Iterable<DockerContainer> containers)
+    {
+        return Streams.stream(containers)
+                .filter(Environment::containerIsHealthy)
+                .toList();
+    }
+
     private static boolean containerIsHealthy(DockerContainer container)
     {
         if (container.isTemporary()) {