[Tests] Lambda related tests failed

[cblmemo]

Found this problem in #3804. The failure seems not related to this PR but instead more related to #3801?

https://github.com/skypilot-org/skypilot/actions/runs/10260808607/job/28387454238

=================================== FAILURES ===================================
______________________ test_instance_type_from_cpu_memory ______________________
[gw0] linux -- Python 3.8.18 /opt/hostedtoolcache/Python/3.8.18/x64/bin/python
tests/test_optimizer_dryruns.py:277: in test_instance_type_from_cpu_memory
    assert 'gpu_1x_rtx6000' in stdout  # Lambda, 14 vCPUs, 46 GB memory
E   AssertionError: assert 'gpu_1x_rtx6000' in 'D 08-06 05:33:38 optimizer.py:265] #### Task<name=test_task>(run=<empty>)\r\nD 08-06 05:33:38 optimizer.py:265]   res...proxy_command: None\nI 08-06 05:33:40 execution.py:283] Dryrun finished.\nClusters\nNo existing clusters.\n\n\x1b[?25h'

[cblmemo]

local test on both latest master (34f13a33d4c4036017ea3f8edb43bd1fa4e89eb8) and the PR branch passed.