[CI] Remove empty image_size_factors for fuyu, glm4_1v, glm_ocr (#34107)

Signed-off-by: Andreas Karatzas <akaratza@amd.com>

tests/models/multimodal/generation/test_common.py

@@ -377,7 +377,7 @@ VLM_TEST_SETTINGS = {
         use_tokenizer_eos=True,
         vllm_output_post_proc=model_utils.fuyu_vllm_to_hf_output,
         num_logprobs=10,
-        image_size_factors=[(), (0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
+        image_size_factors=[(0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
         marks=[large_gpu_mark(min_gb=32)],
     ),
     "gemma3": VLMTestInfo(
@@ -437,7 +437,7 @@ VLM_TEST_SETTINGS = {
         max_num_seqs=2,
         get_stop_token_ids=lambda tok: [151329, 151336, 151338],
         num_logprobs=10,
-        image_size_factors=[(), (0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
+        image_size_factors=[(0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
         auto_cls=AutoModelForImageTextToText,
         marks=[large_gpu_mark(min_gb=32)],
     ),
@@ -468,7 +468,7 @@ VLM_TEST_SETTINGS = {
         max_num_seqs=2,
         get_stop_token_ids=lambda tok: [151329, 151336, 151338],
         num_logprobs=10,
-        image_size_factors=[(), (0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
+        image_size_factors=[(0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
         auto_cls=AutoModelForImageTextToText,
         marks=[large_gpu_mark(min_gb=32)],
     ),