Makes sure that we don't throw an exception when constructing an AudioNode with a closed context.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS new AnalyserNode(context) did not throw exception.
PASS new AudioBufferSourceNode(context) did not throw exception.
PASS new BiquadFilterNode(context) did not throw exception.
PASS new ChannelMergerNode(context) did not throw exception.
PASS new ChannelSplitterNode(context) did not throw exception.
PASS new ConstantSourceNode(context) did not throw exception.
PASS new ConvolverNode(context) did not throw exception.
PASS new DelayNode(context) did not throw exception.
PASS new DynamicsCompressorNode(context) did not throw exception.
PASS new GainNode(context) did not throw exception.
PASS new IIRFilterNode(context, { feedforward: [1], feedback: [1, -0.9] }) did not throw exception.
PASS new MediaElementAudioSourceNode(context, { mediaElement: new Audio }) did not throw exception.
PASS new MediaStreamAudioDestinationNode(context) threw exception NotAllowedError: Cannot create a MediaStreamAudioDestinationNode in a detached frame.
PASS new OscillatorNode(context) did not throw exception.
PASS new PannerNode(context) did not throw exception.
PASS new PeriodicWave(context) did not throw exception.
PASS new StereoPannerNode(context) did not throw exception.
PASS new WaveShaperNode(context) did not throw exception.
PASS context.createAnalyser() did not throw exception.
PASS context.createBufferSource() did not throw exception.
PASS context.createBiquadFilter() did not throw exception.
PASS context.createChannelMerger() did not throw exception.
PASS context.createChannelSplitter() did not throw exception.
PASS context.createConstantSource() did not throw exception.
PASS context.createConvolver() did not throw exception.
PASS context.createDelay() did not throw exception.
PASS context.createDynamicsCompressor() did not throw exception.
PASS context.createGain() did not throw exception.
PASS context.createIIRFilter([1], [1, -0.9]) did not throw exception.
PASS context.createMediaElementSource(new Audio) did not throw exception.
PASS context.createMediaStreamDestination() threw exception NotAllowedError: Cannot create a MediaStreamAudioDestinationNode in a detached frame.
PASS context.createOscillator() did not throw exception.
PASS context.createPanner() did not throw exception.
PASS context.createPeriodicWave([1, 2], [1, 2]) did not throw exception.
PASS context.createStereoPanner() did not throw exception.
PASS context.createWaveShaper() did not throw exception.
PASS context.createScriptProcessor() did not throw exception.
