Fix or remove unit tests: MeshLoadBalancingStrategy

[bartsmykla]

These tests are currently disabled. We should check if they're still relevant. If they are, we should fix them; if not, we should remove them.

Skipped test cases

MeshLoadBalancingStrategy

kuma/pkg/plugins/policies/meshloadbalancingstrategy/plugin/v1alpha1/plugin_test.go

Line 476 in 02a8b25

XEntry("egress_meshexternalservice", testCase{

validation

kuma/pkg/plugins/policies/meshloadbalancingstrategy/api/v1alpha1/validator_test.go

Line 566 in 02a8b25

XEntry(

kuma/pkg/test/resources/validators/validation.go

Line 132 in 02a8b25

return XEntry(