l have tha AudioParams being tested
            // to verify that the AudioParams are working correctly.
            let src;

            should(
                () => src = new ConstantSourceNode(context),
                'src = new ConstantSourceNode(context)')
                .notThrow();

            src.connect(merger, 0, 0);
            src.offset.setValueAtTime(1, 0);

            const timeConstant = 0.01;

            // testTime must be at least 10*timeConstant. Also, this must not
            //