add test in tesi.native.js

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---

Author: yuvi-mittal

lib/node_modules/@stdlib/stats/base/dists/weibull/skewness/test/test.native.js

@@ -99,22 +99,22 @@ tape( 'if provided `lambda <= 0`, the function returns `NaN`', function test( t
 tape( 'the function evaluates the skewness for `k` given `lambda` observations', opts, function test( t ) {
 	var expected;
 	var delta;
-    var lambda;
+	var lambda;
 	var tol;
 	var i;
 	var k;
 	var y;
 
 	expected = data.expected;
-	k = data.k; 
+	k = data.k;
 	lambda = data.lambda;
 	for ( i = 0; i < expected.length; i++ ) {
 		y = skewness( k[i], lambda[i] );
 		if ( y === expected[i] ) {
 			t.equal( y, expected[i], 'k: '+k[i]+', lambda: '+lambda[i]+', y: '+y+', expected: '+expected[i] );
 		} else {
 			delta = abs( y - expected[ i ] );
-            tol = 1e-11 * abs( expected[ i ] );
+			tol = 1e-11 * abs( expected[ i ] );
 			t.ok( delta <= tol, 'within tolerance. k: '+k[ i ]+'. lambda: '+lambda[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
 		}
 	}