AnnotationColourGradient testee = new AnnotationColourGradient(ann,
minColour, maxColour, AnnotationColourGradient.BELOW_THRESHOLD);
testee = (AnnotationColourGradient) testee.getInstance(null, al);
AnnotationColourGradient testee = new AnnotationColourGradient(ann,
minColour, maxColour, AnnotationColourGradient.BELOW_THRESHOLD);
testee = (AnnotationColourGradient) testee.getInstance(null, al);