refactor(tests/ui): use internal names for UI fixtures

tests/ui_tests/common.py

@@ -17,7 +17,6 @@ import pytest
 from PIL import Image
 from typing_extensions import Self
 
-from trezorlib import models
 from trezorlib.debuglink import TrezorClientDebugLink as Client
 
 LANGUAGES = ["cs", "de", "en", "es", "fr"]
@@ -234,17 +233,12 @@ class TestCase:
 
     @classmethod
     def build(cls, client: Client, request: pytest.FixtureRequest) -> Self:
-        model_name = {
-            models.T1B1: "T1",
-            models.T2T1: "TT",
-            models.T2B1: "TR",
-        }.get(client.model, client.model.internal_name)
         name, group = _get_test_name_and_group(request.node.nodeid)
         full_language = client.features.language
         assert full_language
         language = full_language[:2]
         return cls(
-            model=model_name,
+            model=client.model.internal_name,
             name=name,
             group=group,
             language=language,

tests/ui_tests/reporting/testreport.css

@@ -63,13 +63,13 @@ tr.bad a:visited {
     display: none;
 }
 
-.model-T1 img,
-.model-TR img {
+.model-T1B1 img,
+.model-T2B1 img {
     image-rendering: pixelated;
     width: 256px;
 }
 
-.model-TR canvas {
+.model-T2B1 canvas {
     image-rendering: pixelated;
     width: 256px;
 }