Fix status checks: lint, format, typecheck, and tests (#8)

* Initial plan

* Initial assessment - identifying issues to fix

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Fix type check and test issues to pass all status checks

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Add coverage.xml to .gitignore and remove from tracking

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

* Use more specific pattern for coverage.xml in .gitignore

Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: arnavsacheti <36746504+arnavsacheti@users.noreply.github.com>

tests/unit/test_unroll.py

@@ -33,7 +33,7 @@ def test_unroll_disabled_creates_array_interface(sample_rdl):
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(
-            sample_rdl.top,
+            sample_rdl,
             tmpdir,
             cpuif_cls=APB4Cpuif,
             cpuif_unroll=False,
@@ -61,7 +61,7 @@ def test_unroll_enabled_creates_individual_interfaces(sample_rdl):
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(
-            sample_rdl.top,
+            sample_rdl,
             tmpdir,
             cpuif_cls=APB4Cpuif,
             cpuif_unroll=True,
@@ -95,7 +95,7 @@ def test_unroll_with_apb3(sample_rdl):
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(
-            sample_rdl.top,
+            sample_rdl,
             tmpdir,
             cpuif_cls=APB3Cpuif,
             cpuif_unroll=True,
@@ -138,7 +138,7 @@ def test_unroll_multidimensional_array(multidim_array_rdl):
     with TemporaryDirectory() as tmpdir:
         exporter = BusDecoderExporter()
         exporter.export(
-            multidim_array_rdl.top,
+            multidim_array_rdl,
             tmpdir,
             cpuif_cls=APB4Cpuif,
             cpuif_unroll=True,