Failing Windows CI tests on main branch

[mjcarroll]

We have two consistently failing tests in Windows CI on the main branch:

Example: https://build.osrfoundation.org/job/ign_fuel-tools-pr-win/112/

FuelClientTest.CachedModel
LocalCacheTest.AllModels

---

FuelClientTest.CachedModel

https://github.com/ignitionrobotics/ign-fuel-tools/blob/c47d85f00419d4a684f1955e56fb4404a060f77d/src/FuelClient_TEST.cc#L617-L625

[ RUN      ] FuelClientTest.CachedModel
5: �[36m[Dbg] [C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\FuelClient_TEST.cc:48] �[m�[36mCreating local model in [�[m�[36mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\build\ignition-fuel_tools8�[m�[36m]�[m�[36m
5: �[m�[33m[Wrn] [C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\LocalCache.cc:105] �[m�[33mServer directory does not exist [�[m�[33mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\build\ignition-fuel_tools8\test_cache\fuel.ignitionrobotics.org�[m�[33m]
5: �[mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\FuelClient_TEST.cc(621): error: Value of: result
5:   Actual: false
5: Expected: true
5: C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\FuelClient_TEST.cc(622): error: Expected equality of these values:
5:   ResultType::FETCH_ALREADY_EXISTS
5:     Which is: 4-byte object <05-00 00-00>
5:   result.Type()
5:     Which is: 4-byte object <07-00 00-00>
5: C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\FuelClient_TEST.cc(624): error: Expected equality of these values:
5:   common::joinPaths(common::cwd(), "test_cache", "localhost:8007", "alice", "models", "My Model", "3")
5:     Which is: "C:\\Jenkins\\workspace\\ign_fuel-tools-pr-win\\ws\\build\\ignition-fuel_tools8\\test_cache\\localhost8007\\alice\\models\\My Model\\3"
5:   path
5:     Which is: ""

LocalCacheTest.AllModels

https://github.com/ignitionrobotics/ign-fuel-tools/blob/c47d85f00419d4a684f1955e56fb4404a060f77d/src/LocalCache_TEST.cc#L248-L258

15: �[36m[Dbg] [C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\LocalCache_TEST.cc:47] �[m�[36mCreating 6 local models in [�[m�[36mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\build\ignition-fuel_tools8�[m�[36m]�[m�[36m
15: �[m�[36m[Dbg] [C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\LocalCache_TEST.cc:99] �[m�[36mCreating 3 local models in [�[m�[36mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\build\ignition-fuel_tools8�[m�[36m]�[m�[36m
15: �[m�[33m[Wrn] [C:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\LocalCache.cc:105] �[m�[33mServer directory does not exist [�[m�[33mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\build\ignition-fuel_tools8\test_cache\fuel.ignitionrobotics.org�[m�[33m]
15: �[mC:\Jenkins\workspace\ign_fuel-tools-pr-win\ws\ign-fuel-tools\src\LocalCache_TEST.cc(258): error: Expected: (uniqueNames.end()) != (uniqueNames.find( "http://localhost:8001/alice/models/am1")), actual: 8-byte object <50-F6 94-ED 10-02 00-00> vs 8-byte object <50-F6 94-ED 10-02 00-00>
15: [  FAILED  ] LocalCacheTest.AllModels (45 ms)```

[mjcarroll]

Closed by #376