Test multiple windows with page visibility.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

first window: page is visible
resolution in window
PASS batteryInfo is defined.
PASS lastSetMockBatteryInfo is defined.
PASS batteryInfo.charging is lastSetMockBatteryInfo.charging
PASS batteryInfo.chargingTime is lastSetMockBatteryInfo.chargingTime
PASS batteryInfo.dischargingTime is lastSetMockBatteryInfo.dischargingTime
PASS batteryInfo.level is lastSetMockBatteryInfo.level
first window: page is hidden
resolution in secondWindow
PASS batteryInfo is defined.
PASS lastSetMockBatteryInfo is defined.
PASS batteryInfo.charging is lastSetMockBatteryInfo.charging
PASS batteryInfo.chargingTime is lastSetMockBatteryInfo.chargingTime
PASS batteryInfo.dischargingTime is lastSetMockBatteryInfo.dischargingTime
PASS batteryInfo.level is lastSetMockBatteryInfo.level
first window: page is visible
PASS batteryInfo is defined.
PASS lastSetMockBatteryInfo is defined.
PASS batteryInfo.charging is lastSetMockBatteryInfo.charging
PASS batteryInfo.chargingTime is lastSetMockBatteryInfo.chargingTime
PASS batteryInfo.dischargingTime is lastSetMockBatteryInfo.dischargingTime
PASS batteryInfo.level is lastSetMockBatteryInfo.level
PASS successfullyParsed is true

TEST COMPLETE