Use loadertest.StubLoader instead of the privately stub loader defined in fsresolver_test.go.
Use loadertest.StubLoader instead of the privately stub loader defined in fsresolver_test.go.

PiperOrigin-RevId: 192350915

cgrushko/tools_jvm_autodeps,cgrushko/tools_jvm_autodeps,cgrushko/tools_jvm_autodeps,cgrushko/tools_jvm_autodeps