fix(tests): include missing UI report into model R's device tests

[no changelog]

ci/test.yml

@@ -89,14 +89,14 @@ core device R test:
   variables:
     TREZOR_PROFILING: "1"
     TREZOR_MODEL: "R"
+    MULTICORE: 4  # more could interfere with other jobs
   script:
-    - nix-shell --run "poetry run make -C core test_emu_ui | ts -s"
+    - $NIX_SHELL --run "poetry run make -C core test_emu_ui_multicore | ts -s"
   after_script:
-    - mv tests/ui_tests/reporting/reports/test/ test_ui_report
-    - nix-shell --run "poetry run python ci/prepare_ui_artifacts.py TR | ts -s"
-    - diff tests/ui_tests/fixtures.json tests/ui_tests/fixtures.suggestion.json
-    - nix-shell --run "cd tests/ui_tests ; poetry run python reporting/report_master_diff.py TR_"
-    - mv tests/ui_tests/reporting/reports/master_diff/ .
+    - mv core/src/.coverage.* core  # there will be more coverage files (one per core)
+    - mv tests/ui_tests/reports/test/ test_ui_report
+    - $NIX_SHELL --run "poetry run python ci/prepare_ui_artifacts.py | ts -s"
+    - diff -u tests/ui_tests/fixtures.json tests/ui_tests/fixtures.suggestion.json
   artifacts:
     name: "$CI_JOB_NAME-$CI_COMMIT_SHORT_SHA"
     paths:
@@ -106,9 +106,9 @@ core device R test:
       - tests/ui_tests/fixtures.suggestion.json
       - tests/junit.xml
       - tests/trezor.log
-      - master_diff
+      - core/.coverage.*
     when: always
-    expire_in: 4 weeks
+    expire_in: 1 week
     reports:
       junit: tests/junit.xml