Add support folders to search.exclude

.vscode/settings.json

@@ -2,5 +2,11 @@
 {
     // Path to Xdebug extension (used in `launch.json`). Note that tests will run *much* slower when
     // Xdebug is enabled, so it is recommended to leave this value unset when the debugger is not in use.
-    "php.xdebug.extension": "SET `php.xdebug.extension` PATH IN `.vscode/settings.json` TO DEBUG UNIT TESTS"
+    "php.xdebug.extension": "SET `php.xdebug.extension` PATH IN `.vscode/settings.json` TO DEBUG UNIT TESTS",
+    "search.exclude": {
+        "**/vendor": true,
+        "**/validation": true,
+        "**/tests/cases": true,
+        "**/php-langspec": true
+    }
 }