I have to take a swim test for job

Lifeguard Competency swim:
Phase 1:
100 yd Freestyle (4 laps)
2 minutes of Treading

Phase 2:
50 yards (2 laps)each
Head-up Free Style
Breaststroke
Head-up Breaststroke
Side Stroke
Elementary Backstroke kick w/arms across tummy/chest

Feet-first surface dive in deep end and have feet touch the bottom, swim underwater toward shallow end 10-15 yds

Phase 3:
Begin in shallow end, Sprint towards deep end flags, do a head-first surface dive at flags, touch the bottom.
Surface & Tread for 1 minute- no hands.
Return to bottom by doing another head-first surface dive.
swim to the side, climb out and perform 100 chest compressions on a mannequin/rescue tube.