Make e2e scripts compatible with older versions of bash #3617
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What type of PR is this?
/kind cleanup
What this PR does / why we need it:
The
-voption in conditional expressions was introduced to bash in versions later than v3. Therefore, those versions that don't support it fail to run e2e tests returning the errorconditional binary operator expected.To avoid the above error, this PR replaces the condition to check if a variable is set.
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?