Update inline JSON example in tests documentation

- Replace JSON code block with JsonYamlTabs component for better integration
- Simplify JSON structure by removing quotes around keys

Author: hawkeyexl

docs/get-started/tests/index.mdx

@@ -63,34 +63,32 @@ Test specs in standalone JSON or YAML files use the following basic structure:
 
 Here's an example test for performing a Google search and saving a screenshot of the results:
 
-```json
-{
-  "tests": [
+<JsonYamlTabs object={{
+  tests: [
     {
-      "steps": [
+      steps: [
         {
-          "goTo": "https://www.google.com"
+          goTo: "https://www.google.com"
         },
         {
-          "find": {
-            "selector": "[title=Search]",
-            "click": true
+          find: {
+            selector: "[title=Search]",
+            click: true
           }
         },
         {
-          "type": ["American Shorthair kittens", "$ENTER$"]
+          type: ["American Shorthair kittens", "$ENTER$"]
         },
         {
-          "wait": 5000
+          wait: 5000
         },
         {
-          "screenshot": "search-results.png"
+          screenshot: "search-results.png"
         }
       ]
     }
   ]
-}
-```
+}}></JsonYamlTabs>
 
 ### Inline JSON or YAML