test : fix multi-GPU server tests (#27614)

* tests : fix tests for multi-gpu environment

* cont : not needed

tools/server/tests/unit/test_slot_save.py

@@ -319,7 +319,6 @@ def test_slot_save_restore_with_two_images(mmproj_server):
         "prompt": prompt,
     })
     assert res.status_code == 200
-    content = res.body["content"]
     prompt_n_full = res.body["timings"]["prompt_n"]
     assert prompt_n_full > 64
 
@@ -345,6 +344,26 @@ def test_slot_save_restore_with_two_images(mmproj_server):
     assert res.status_code == 200
     assert res.body["timings"]["cache_n"] == prompt_n_full - 1
     assert res.body["timings"]["prompt_n"] == 1
+    content = res.body["content"]
+
+    res = server.make_request("POST", "/slots/1?action=restore", data={
+        "filename": "mm_slot_two_images.bin",
+    })
+    assert res.status_code == 200
+    assert res.body["n_restored"] == n_saved
+
+    res = server.make_request("POST", "/completions", data={
+        "temperature": 0.0,
+        "top_k": 1,
+        "id_slot": 0,
+        "cache_prompt": True,
+        "prompt": prompt,
+    })
+    assert res.status_code == 200
+    assert res.body["timings"]["cache_n"] == prompt_n_full - 1
+    assert res.body["timings"]["prompt_n"] == 1
+    content = res.body["content"]
+
     assert res.body["content"] == content
 
 

tools/server/tests/unit/test_vision_api.py

@@ -121,7 +121,7 @@ def test_vision_chat_completion_token_count():
     "prompt, image_data, success, re_content",
     [
         # test model is trained on CIFAR-10, but it's quite dumb due to small size
-        ("What is this: <__media__>\n", "IMG_BASE64_0",         True, "(cat)+"),
+        ("What is this: <__media__>\n", "IMG_BASE64_0",         True, "(cat)+|(automobile)+"),
         ("What is this: <__media__>\n", "IMG_BASE64_1",         True, "(frog)+"),
         ("What is this: <__media__>\n", "malformed",            False, None), # non-image data
         ("What is this:\n",             "",                     False, None), # empty string

tools/server/tests/utils.py

@@ -623,7 +623,7 @@ class ServerPreset:
         server.model_hf_repo = "ggml-org/tinygemma3-GGUF:Q8_0"
         server.model_alias = "tinygemma3"
         server.n_ctx = 1024
-        server.n_batch = 32
+        server.n_batch = 512
         server.n_slots = 2
         server.n_predict = 4
         server.seed = 42