test: use singe-precision implementation

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

Author: kgryte

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

@@ -24,7 +24,7 @@ var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
-var fibonacci = require( '@stdlib/math/base/special/fibonacci' );
+var fibonaccif = require( '@stdlib/math/base/special/fibonaccif' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -80,7 +80,7 @@ tape( 'the function returns the Fibonacci number index', opts, function test( t
 	var n;
 	var i;
 	for ( i = 3; i < 37; i++ ) {
-		v = fibonacci( i );
+		v = fibonaccif( i );
 		n = fibonacciIndexf( v );
 		t.strictEqual( n, i, 'returns expected value' );
 	}