[Slider] Revert unneeded test change

Author: CodySchaaf

packages/material-ui-unstyled/src/SliderUnstyled/SliderUnstyled.test.js

@@ -33,7 +33,7 @@ describe('<SliderUnstyled />', () => {
       },
     );
 
-    render(<SliderUnstyled value={0} components={{ Root }} />);
+    render(<SliderUnstyled components={{ Root }} />);
 
     expect(styleProps).not.to.equal(null);
     expect(theme).not.to.equal(null);
@@ -43,7 +43,6 @@ describe('<SliderUnstyled />', () => {
     const elementRef = React.createRef();
     render(
       <SliderUnstyled
-        value={0}
         components={{
           Root: 'span',
         }}