test: prune redundant conformance checks and document test priorities

.github/workflows/ci.yml

@@ -446,7 +446,6 @@ jobs:
           tests/boundary/filesystem/asarInventoryFreshness.test.ts
           tests/composition/javascript-applications/javascriptArtifactReconstruction.test.ts
           tests/conformance/providers/ghidra/windowsCapabilities.test.ts
-          tests/conformance/providers/ghidra/ghidraWindowsFixture.test.ts
           src/ghidra/GhidraInstallation.test.ts
           tests/boundary/providers/ghidra/ghidraTransport.test.ts
           tests/boundary/providers/ghidra/ghidraTargetSnapshot.test.ts