Modify bug

[yuanyu-ghca]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

Release note:

[codecov]

Codecov Report

Merging #558 (1b7247d) into emc_vnx_block_20220529 (40f66dc) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

❗ Current head 1b7247d differs from pull request most recent head 8c82538. Consider uploading reports for the commit 8c82538 to get more accurate results

@@                    Coverage Diff                     @@
##           emc_vnx_block_20220529     #558      +/-   ##
==========================================================
- Coverage                   70.98%   70.94%   -0.05%     
==========================================================
  Files                         182      182              
  Lines                       21776    21778       +2     
  Branches                     3331     3331              
==========================================================
- Hits                        15458    15450       -8     
- Misses                       5271     5277       +6     
- Partials                     1047     1051       +4     

Impacted Files	Coverage Δ
...rivers/dell_emc/vnx/vnx_block/component_handler.py	62.50% <100.00%> (+0.13%)	⬆️
delfin/drivers/fake_storage/__init__.py	92.11% <0.00%> (-2.55%)	⬇️