UserServiceTest: removed unused import.

Reported by CheckStyle.

Correction for 48e66d2e624cfbc83f965d672f45d2625c87f6ca commit.

No functional changes.
TestObjects: fixed member ordering.

Reported by CheckStyle.

Correction for 48e66d2e624cfbc83f965d672f45d2625c87f6ca commit.

No functional changes.