empty history detected as expected
first history command detected as expected
history function explicit search succeeded
history function implicit search succeeded
history function implicit search with timestamps succeeded
history function explicit exact search 'echo goodbye' succeeded
history function explicit exact search 'echo hello' succeeded
history function explicit exact search 'echo hell' succeeded
history function explicit exact delete 'echo hello' succeeded
history function explicit prefix delete 'echo hello AGAIN' succeeded
history function explicit exact search 'echo hello again' succeeded
