Guard g72 staging paths

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

@@ -2088,7 +2088,7 @@ verifyExpectedOutput(
   ].join("\n"),
 );
 
-for (const g72Fixture of [
+const g72Fixtures = [
   {
     name: "facing",
     dir: "g72-facing",
@@ -2101,8 +2101,19 @@ for (const g72Fixture of [
     file: "g72-iterations-missing.ngc",
     finalZ: "-40",
   },
-]) {
+];
+for (const g72Fixture of g72Fixtures) {
+  assert.deepEqual(
+    [g72Fixture.file],
+    interpRegressionNgcFilesRecursive(g72Fixture.dir),
+    `interp ${g72Fixture.dir} fixture coverage drift`,
+  );
   const g72Path = writeInterpRegressionFile(g72Fixture.dir, g72Fixture.file);
+  assert.deepEqual(
+    [g72Path],
+    [`/work/interp/${g72Fixture.dir}/${g72Fixture.file}`],
+    `interp ${g72Fixture.dir} staging manifest drift`,
+  );
   verifyExpectedOutput(
     `interp_g72_${g72Fixture.name}_wasm`,
     interp.runFile(g72Path),