Fix test

Author: kgryte

lib/node_modules/@stdlib/math/base/special/fibonacci-index/test/test.js

@@ -33,7 +33,7 @@ tape( 'if provided a number less than or equal to 1, the function returns `NaN`'
 	var n;
 	var i;
 
-	t.strictEqual( isnan( fibonacci( -3.14 ) ), true, 'returns NaN' );
+	t.strictEqual( isnan( fibonacciIndex( -3.14 ) ), true, 'returns NaN' );
 
 	for ( i = 1; i > -100; i-- ) {
 		n = fibonacciIndex( i );