Update test description

Author: kgryte

lib/node_modules/@stdlib/plot/sparklines/unicode/column/test/test.infinities.js

@@ -77,7 +77,7 @@ tape( 'an instance supports setting and getting the property value', function te
 	t.end();
 });
 
-tape( 'setting the `infinities` property triggers a `change` event', function test( t ) {
+tape( 'setting the `infinities` property to a new value triggers a `change` event', function test( t ) {
 	var chart;
 
 	chart = ctor({