Guard browser OPFS custom session wasm paths

wasm-port/tests/browser/interp_smoke.html

@@ -4545,13 +4545,17 @@
       return opfsPath;
     }
 
-    function opfsCustomSessionPaths(machineId, parameterFilename, toolTableFilename, wasmPaths) {
+    function opfsCustomSessionPaths(machineId, parameterFilename, toolTableFilename, iniWasmPath) {
       return {
         opfs: {
           parameters: opfsMachineFilePath(machineId, parameterFilename),
           toolTable: opfsMachineFilePath(machineId, toolTableFilename),
         },
-        wasm: wasmPaths,
+        wasm: {
+          ini: iniWasmPath,
+          parameters: `/work/${parameterFilename}`,
+          toolTable: `/work/${toolTableFilename}`,
+        },
       };
     }
 
@@ -9440,11 +9444,7 @@
           "browser-ini-file-session",
           "browser-custom.var",
           "browser-custom-tool.tbl",
-          {
-            ini: "/work/browser-ini-file-session.ini",
-            parameters: "/work/browser-custom.var",
-            toolTable: "/work/browser-custom-tool.tbl",
-          },
+          "/work/browser-ini-file-session.ini",
         ),
       );
       verifyExpectedOutput(
@@ -9614,11 +9614,7 @@
           "browser-ini-override-session",
           "browser-explicit.var",
           "browser-explicit-tool.tbl",
-          {
-            ini: "/work/browser-ini-override-session.ini",
-            parameters: "/work/browser-explicit.var",
-            toolTable: "/work/browser-explicit-tool.tbl",
-          },
+          "/work/browser-ini-override-session.ini",
         ),
       );
       verifyExpectedOutput(