test: fix lengths

Author: kgryte

lib/node_modules/@stdlib/array/base/join/test/test.js

@@ -269,7 +269,7 @@ tape( 'the function joins an array-like object (array-like)', function test( t )
 	t.strictEqual( actual, expected, 'returns expected value' );
 
 	x = {
-		'length': 4,
+		'length': 1,
 		'0': 1
 	};
 
@@ -279,7 +279,7 @@ tape( 'the function joins an array-like object (array-like)', function test( t )
 	t.strictEqual( actual, expected, 'returns expected value' );
 
 	x = {
-		'length': 4,
+		'length': 1,
 		'0': null
 	};