[CI Failure] Disable mosaicml/mpt-7b and databricks/dbrx-instruct tests (#31182)

Signed-off-by: mgoin <mgoin64@gmail.com>

docs/serving/integrations/langchain.md

@@ -16,7 +16,7 @@ To run inference on a single or multiple GPUs, use `VLLM` class from `langchain`
     from langchain_community.llms import VLLM
 
     llm = VLLM(
-        model="mosaicml/mpt-7b",
+        model="Qwen/Qwen3-4B",
         trust_remote_code=True,  # mandatory for hf models
         max_new_tokens=128,
         top_k=10,

tests/models/registry.py

@@ -215,7 +215,10 @@ _TEXT_GENERATION_EXAMPLE_MODELS = {
         trust_remote_code=True,
     ),
     "CwmForCausalLM": _HfExamplesInfo("facebook/cwm", min_transformers_version="4.58"),
-    "DbrxForCausalLM": _HfExamplesInfo("databricks/dbrx-instruct"),
+    # FIXME: databricks/dbrx-instruct has been deleted
+    "DbrxForCausalLM": _HfExamplesInfo(
+        "databricks/dbrx-instruct", is_available_online=False
+    ),
     "DeciLMForCausalLM": _HfExamplesInfo(
         "nvidia/Llama-3_3-Nemotron-Super-49B-v1",
         trust_remote_code=True,
@@ -366,7 +369,8 @@ _TEXT_GENERATION_EXAMPLE_MODELS = {
         {"tiny": "TitanML/tiny-mixtral"},
     ),
     "MptForCausalLM": _HfExamplesInfo("mpt", is_available_online=False),
-    "MPTForCausalLM": _HfExamplesInfo("mosaicml/mpt-7b"),
+    # FIXME: mosaicml/mpt-7b has been deleted
+    "MPTForCausalLM": _HfExamplesInfo("mosaicml/mpt-7b", is_available_online=False),
     "NemotronForCausalLM": _HfExamplesInfo("nvidia/Minitron-8B-Base"),
     "NemotronHForCausalLM": _HfExamplesInfo(
         "nvidia/Nemotron-H-8B-Base-8K", trust_remote_code=True

tests/tokenizers_/test_detokenize.py

@@ -38,7 +38,8 @@ TOKENIZERS = [
     "EleutherAI/gpt-j-6b",
     "EleutherAI/pythia-70m",
     "bigscience/bloom-560m",
-    "mosaicml/mpt-7b",
+    # FIXME: mosaicml/mpt-7b has been deleted
+    # "mosaicml/mpt-7b",
     "tiiuae/falcon-7b",
     "meta-llama/Llama-3.2-1B-Instruct",
     "codellama/CodeLlama-7b-hf",