Guard bad error direct-file staging

wasm-port/tests/wasm/node/verify_interp_wasm.mjs

@@ -2042,10 +2042,9 @@ assert.deepEqual(
   interpRegressionNgcFiles("bad"),
   "interp bad fixture coverage drift",
 );
-const badStagedNgcFiles = [];
 for (const badFixture of badInterpFixtures) {
   const badPath = writeInterpRegressionFile("bad", badFixture.file);
-  badStagedNgcFiles.push(badPath);
+  assertInterpRegressionFileStaging("bad", badFixture.file, badPath);
   verifyExpectedOutput(
     `interp_bad_${badFixture.name}_wasm`,
     interp.runFile(badPath),
@@ -2059,11 +2058,6 @@ for (const badFixture of badInterpFixtures) {
     ].join("\n"),
   );
 }
-assert.deepEqual(
-  badStagedNgcFiles,
-  badInterpFixtures.map((fixture) => `/work/interp/bad/${fixture.file}`),
-  "interp bad staging manifest drift",
-);
 
 const g33_1Path = writeInterpRegressionFile("g33.1", "g33.1.ngc");
 const g33_1NgcFiles = [