[Voxstral Realtime] Enable tests (#33803)

Signed-off-by: Patrick von Platen <patrick.v.platen@gmail.com>

tests/models/multimodal/processing/test_common.py

@@ -441,6 +441,13 @@ def test_processing_correctness(
             "Qwen-VL tokenizer requires downloading a font file from "
             "servers that often refuse connections in CI"
         )
+    if model_id == "mistralai/Voxtral-Mini-4B-Realtime-2602":
+        pytest.skip(
+            "Voxtral Realtime doesn't make use of any place-holder"
+            "tokens and hence cannot pass the processing "
+            "correctness test as is. Let's revisit adapting this "
+            "test once more realtime models exist."
+        )
     if model_id == "internlm/Intern-S1-Pro":
         # FIXME(Isotr0py): Fix later.
         pytest.skip("Tokenization issue. Fix later")