The answer to 'how to test ceiling fan installation' is to first ensure the power is turned off at the circuit breaker, then use a voltage tester to confirm there is no power running to the ceiling fan wiring. Next, check that the fan is securely mounted to the electrical box and the blades are properly balanced and spinning freely. Finally, turn the power back on and test the fan's functionality, including the light kit if present.
It's important to follow all safety precautions when testing a ceiling fan installation, as working with electrical wiring can be hazardous. Homeowners should only attempt DIY ceiling fan testing and troubleshooting if they are comfortable working with electricity. For more complex issues or if you are unsure, it's best to consult a licensed electrician.