assertNotNull(referenceStore.findReference(line1, 18, true));
// Make some more edits, add whitespace inside reference.
// This should break it.
// Now the second line is: "var myvar = d efvar;\n"
document.insertText(document.getFirstLine().getNextLine(), 16, " ");
// Now there should be nothing at positions 15-23.
assertNull(referenceStore.findReference(line1, 15, true));
assertNull(referenceStore.findReference(line1, 18, true));
assertNull(referenceStore.findReference(line1, 21, true));