fix(gsoc'24): testbench buttons style updated (#4594) (CircuitVerse#345)

Author: niladrix719

src/styles/css/testCreator.css

@@ -10,7 +10,7 @@
     background-color: #ffffff;
     border: 2px solid black;
     color: black;
-    /*padding: 20px;*/
+    padding: 6px;
     text-align: center;
     text-decoration: none;
     display: inline-block;