test: replace math-assert with float16-assert

PR-URL: #9789
Closes: #9800

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Lokeshranjan8

lib/node_modules/@stdlib/number/float16/base/mul/test/test.js

@@ -21,9 +21,9 @@
 // MODULES //
 
 var tape = require( 'tape' );
-var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
-var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
-var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var isNegativeZero = require( '@stdlib/number/float16/base/assert/is-negative-zero' );
+var isPositiveZero = require( '@stdlib/number/float16/base/assert/is-positive-zero' );
+var isnan = require( '@stdlib/number/float16/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float16/pinf' );
 var NINF = require( '@stdlib/constants/float16/ninf' );
 var mul = require( './../lib' );