no periods in assertion errors
no periods in assertion errors


Former-commit-id: c36c5489850956978d3861b34385f3cd32070652 [formerly 1b9cea67c6357f374d49edc9e7738834b0e891a5]
Former-commit-id: 509c3ac4c26dcba1d44215df5adb697493c4365a
andrewplummer/Sugar,andrewplummer/Sugar,romancow/Sugar,romancow/Sugar