Apply suggestions from code review

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/strided/base/map-by2/test/test.main.js

@@ -72,8 +72,8 @@ tape( 'the function applies a binary function to indexed strided array elements
 	mapBy2( x.length, x, 1, y, 1, z, 1, add, accessor );
 	t.deepEqual( z, expected, 'deep equal' );
 
-	x = [ ]; // sparse array
-	x.length = 5;
+	// Create a sparse array:
+	x = new Array( 5 ); // eslint-disable-line stdlib/no-new-array
 	y = [ 1.0, 1.0, 2.0, 2.0, 3.0 ];
 	z = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
 

lib/node_modules/@stdlib/strided/base/map-by2/test/test.ndarray.js

@@ -72,8 +72,8 @@ tape( 'the function applies a binary function to indexed strided array elements
 	mapBy2( x.length, x, 1, 0, y, 1, 0, z, 1, 0, add, accessor );
 	t.deepEqual( z, expected, 'deep equal' );
 
-	x = [ ]; // sparse array
-	x.length = 5;
+	// Create a sparse array:
+	x = new Array( 5 ); // eslint-disable-line stdlib/no-new-array
 	y = [ 1.0, 1.0, 2.0, 2.0, 3.0 ];
 	z = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];