test: don't use hard-coded LOCATION for e2e bootstrap

[mainred]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

Merging #131 (18e44df) into main (63a876a) will increase coverage by 0.65%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #131      +/-   ##
==========================================
+ Coverage   78.12%   78.77%   +0.65%     
==========================================
  Files          20       20              
  Lines        2455     2455              
==========================================
+ Hits         1918     1934      +16     
+ Misses        422      406      -16     
  Partials      115      115              

Impacted Files	Coverage Δ
...ontrollers/hub/internalserviceexport/controller.go	78.78% <0.00%> (-2.43%)	⬇️
pkg/controllers/multiclusterservice/controller.go	83.15% <0.00%> (ø)
.../controllers/hub/endpointsliceexport/controller.go	73.20% <0.00%> (+3.01%)	⬆️
...ntrollers/member/endpointsliceimport/controller.go	76.79% <0.00%> (+3.31%)	⬆️
...rollers/member/internalserviceexport/controller.go	83.33% <0.00%> (+8.33%)	⬆️

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[zhiying-lin]

change the PR title to test:xxx? others LGTM