test: fix typo in function name

---
type: pre_commit_static_analysis_report
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    status: passed
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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/cosm1/test/test.js

@@ -47,7 +47,7 @@ var data = require( './fixtures/python/data.json' );
 
 tape( 'main export is a function', function test( t ) {
 	t.ok( true, __filename );
-	t.strictEqual( typeof cos, 'function', 'main export is a function' );
+	t.strictEqual( typeof cosm1, 'function', 'main export is a function' );
 	t.end();
 });
 

lib/node_modules/@stdlib/math/base/special/cosm1/test/test.native.js

@@ -52,7 +52,7 @@ var data = require( './fixtures/python/data.json' );
 
 tape( 'main export is a function', opts, function test( t ) {
 	t.ok( true, __filename );
-	t.strictEqual( typeof cos, 'function', 'main export is a function' );
+	t.strictEqual( typeof cosm1, 'function', 'main export is a function' );
 	t.end();
 });