update test assertion

Author: subosito

__tests__/installer.test.ts

@@ -80,7 +80,7 @@ describe('installer tests', () => {
 
     it('Acquires latest release version of go if using 1.x and no matching version is installed', async () => {
       await installer.getGo('1.x');
-      const goDir = path.join(toolDir, 'go', '1.13.0-beta1', os.arch());
+      const goDir = path.join(toolDir, 'go', '1.13.0', os.arch());
 
       expect(fs.existsSync(`${goDir}.complete`)).toBe(true);
       if (IS_WINDOWS) {