Only warn about DockerContainer log paths when configured

Author: electrum

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

@@ -157,7 +157,6 @@ public void copyFileToContainer(Transferable transferable, String containerPath)
 
     public DockerContainer withExposedLogPaths(String... logPaths)
     {
-        requireNonNull(this.logPaths, "log paths are already exposed");
         this.logPaths.addAll(Arrays.asList(logPaths));
         return this;
     }
@@ -292,6 +291,10 @@ public ExecResult execCommandForResult(String... command)
 
     public void copyLogsToHostPath(Path hostPath)
     {
+        if (logPaths.isEmpty()) {
+            return;
+        }
+
         if (!isRunning()) {
             log.warn("Could not copy files from stopped container %s", logicalName);
             return;