Fix src/events tests

[digitalbase]

Before

Test Files  7 failed | 14 passed (21)
      Tests  3 failed | 177 passed (180)
   Start at  00:30:54
   Duration  1.07s (transform 521ms, setup 130ms, collect 3.03s, tests 366ms, environment 2ms, prepare 755ms)

After

 Test Files  21 passed (21)
      Tests  234 passed (234)
   Start at  00:31:16
   Duration  1.14s (transform 429ms, setup 128ms, collect 4.34s, tests 431ms, environment 2ms, prepare 764ms)