turn up VMTest ssh verbosity to 3

This CL increases the ssh verbosity of VMTest, hopefully to help in
diagnosing ssh connection failures.

CQ-DEPEND=CL:I7e91c89cbee138a57015b4b8578778afda090ca0
CQ-DEPEND=CL:I1a6861501eb4fc8439add213c79eaa3777978df0
CQ-DEPEND=CL:Iee7722b55cc5e7497888ee86154c3ddb3b7bdf6e
CQ-DEPEND=CL:Ib92d7491eb45f50e0b95b4e9e32e72778d002b08
BUG=chromium:254166
TEST=None

Change-Id: I94fa11f3a04850ee405d0781aa8b535e044a5967
Reviewed-on: https://chromium-review.googlesource.com/66968
Reviewed-by: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
diff --git a/cros_run_vm_test b/cros_run_vm_test
index c6211ab..fd4e609 100755
--- a/cros_run_vm_test
+++ b/cros_run_vm_test
@@ -87,7 +87,8 @@
 ${GCLIENT_ROOT}/chromite/bin/cros_sdk -- test_that \
     --no-quickmerge \
     --no-experimental \
-    --ssh_verbosity=1 \
+    --ssh_verbosity=3 \
+    --debug \
     --results_dir "${FLAGS_results_dir_root}" \
     "${test_args[@]}" \
     127.0.0.1:${FLAGS_ssh_port} \