fix: correctly import the function from main.js in test.main.js

Author: LoayAhmed304

lib/node_modules/@stdlib/stats/base/ndarray/smediansorted/test/test.main.js

@@ -24,7 +24,7 @@ var tape = require( 'tape' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var Float32Array = require( '@stdlib/array/float32' );
 var ndarray = require( '@stdlib/ndarray/base/ctor' );
-var smediansorted = require( './../lib' );
+var smediansorted = require( './../lib/main.js' );
 
 
 // FUNCTIONS //