Tests setPressureStateOverride delivers 2 updates with 1 state change
PASS: Set pressure state override to 'critical'
PASS: Received first update.
PASS: Set pressure state override to 'serious'
PASS: Received second update.
[
[0] : [
[0] : cpu
[1] : critical
]
[1] : [
[0] : cpu
[1] : serious
]
]