Test scaling of FFT data for AnalyserNode

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

PASS Actual FFT peak in the expected position (1).
PASS Peak value is near -14.43 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 32
PASS Actual FFT peak in the expected position (2).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 64
PASS Actual FFT peak in the expected position (4).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 128
PASS Actual FFT peak in the expected position (8).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 256
PASS Actual FFT peak in the expected position (16).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 512
PASS Actual FFT peak in the expected position (32).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 1024
PASS Actual FFT peak in the expected position (64).
PASS Peak value is near -13.56 dBFS as expected.
PASS Analyser correctly scaled FFT data of size 2048
PASS All Analyser tests passed.
PASS successfullyParsed is true

TEST COMPLETE