add encoder test, remove pooled dim

Author: Ednaordinary

src/diffusers/models/transformers/transformer_chroma.py

@@ -409,7 +409,6 @@ def __init__(
         attention_head_dim: int = 128,
         num_attention_heads: int = 24,
         joint_attention_dim: int = 4096,
-        pooled_projection_dim: int = 768,
         axes_dims_rope: Tuple[int, ...] = (16, 56, 56),
         approximator_num_channels: int = 64,
         approximator_hidden_dim: int = 5120,

tests/pipelines/chroma/test_pipeline_chroma.py

@@ -165,9 +165,3 @@ def test_chroma_image_output_shape(self):
             image = pipe(**inputs).images[0]
             output_height, output_width, _ = image.shape
             assert (output_height, output_width) == (expected_height, expected_width)
-
-    @unittest.skip(
-        "Chroma uses Flux encode_prompt but uses CFG. This test is incompatible with the pipeline since the test case does not use a negative prompt embeds"
-    )
-    def test_encode_prompt_works_in_isolation(self):
-        pass