feat: add --verbose flag to charmcraft test

charmcraft/application/commands/test.py

@@ -34,10 +34,10 @@
 
 
 class TestCommand(base.CharmcraftCommand):
-    """Initialize a directory to be a charm project."""
+    """Run charm tests with spread."""
 
     name = "test"
-    help_msg = "Execute charm test suites"
+    help_msg = "Execute charm test suites with spread"
     overview = _overview
     common = True
 
@@ -67,6 +67,12 @@ def fill_parser(self, parser: argparse.ArgumentParser) -> None:
             help="Just show the list of jobs that would run.",
         )
 
+        parser.add_argument(
+            "--verbose",
+            action="store_true",
+            help="Run spread in verbose mode.",
+        )
+
         parser.add_argument(
             "spread_tasks",
             metavar="tasks",
@@ -84,6 +90,9 @@ def run(self, parsed_args: argparse.Namespace):
         else:
             cmd = ["spread"]
 
+        if vars(parsed_args).get("verbose"):
+            cmd.append("-vv")
+
         for arg in ("shell", "shell-after", "debug", "list"):
             if vars(parsed_args).get(arg):
                 cmd.append("-" + arg)