Update test descriptions

Author: Planeshifter

lib/node_modules/@stdlib/assert/is-class/test/es2015-class/index.js

@@ -28,7 +28,7 @@ var isClass = require( './../../lib' );
 
 // TESTS //
 
-tape( 'the function returns `true` if provided is a class', function test( t ) {
+tape( 'the function returns `true` if provided an ES2015 class', function test( t ) {
 	var Rectangle = class {};
 	t.strictEqual( isClass( Rectangle ), true, 'returns true' );
 

lib/node_modules/@stdlib/assert/is-class/test/test.js

@@ -38,7 +38,7 @@ tape( 'main export is a function', function test( t ) {
 	t.end();
 });
 
-tape( 'the function returns `false` if not provided an ES6 class', function test( t ) {
+tape( 'the function returns `false` if not provided an ES2015 class', function test( t ) {
 	var values;
 	var i;