Disable wasmfs metadce tests for binaryen roll (#20850)

This improvement on the Binaryen side is blocking the roll atm:

WebAssembly/binaryen#6143

Breakage:

https://logs.chromium.org/logs/emscripten-releases/buildbucket/cr-buildbucket/8762517450873465489/+/u/Emscripten_testsuite__other_/stdout

Author: kripken

test/other/metadce/test_metadce_cxx_wasmfs.size

@@ -1 +1 @@
-165993
+165980

test/other/metadce/test_metadce_files_wasmfs.funcs

@@ -72,7 +72,7 @@ $std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::all
 $std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>::__grow_by_and_replace\28unsigned\20long\2c\20unsigned\20long\2c\20unsigned\20long\2c\20unsigned\20long\2c\20unsigned\20long\2c\20unsigned\20long\2c\20char\20const*\29
 $std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>::__init_copy_ctor_external\28char\20const*\2c\20unsigned\20long\29
 $std::__2::basic_string<char\2c\20std::__2::char_traits<char>\2c\20std::__2::allocator<char>>::__throw_length_error\5babi:un170004\5d\28\29\20const
-$std::__2::char_traits<char>::copy\5babi:un170004\5d\28char*\2c\20char\20const*\2c\20unsigned\20long\29
+$std::__2::enable_if<__has_random_access_iterator_category<char\20const*>::value\2c\20char*>::type\20std::__2::copy_n\5babi:un170004\5d<char\20const*\2c\20unsigned\20long\2c\20char*>\28char\20const*\2c\20unsigned\20long\2c\20char*\29
 $std::__2::shared_ptr<wasmfs::SpecialFiles::\28anonymous\20namespace\29::RandomFile>\20std::__2::make_shared\5babi:un170004\5d<wasmfs::SpecialFiles::\28anonymous\20namespace\29::RandomFile\2c\20void>\28\29
 $std::__2::vector<unsigned\20char\2c\20std::__2::allocator<unsigned\20char>>::__append\28unsigned\20long\29
 $std::__2::vector<wasmfs::MemoryDirectory::ChildEntry\2c\20std::__2::allocator<wasmfs::MemoryDirectory::ChildEntry>>::erase\5babi:un170004\5d\28std::__2::__wrap_iter<wasmfs::MemoryDirectory::ChildEntry\20const*>\29

test/other/metadce/test_metadce_hello_wasmfs.funcs

@@ -3,6 +3,5 @@ $__emscripten_stdout_seek
 $__fwritex
 $__stdio_write
 $__towrite
-$__wasi_fd_write
 $__wasm_call_ctors
 $main

test/other/metadce/test_metadce_hello_wasmfs.size

@@ -1 +1 @@
-1761
+1747

test/test_other.py

@@ -8296,7 +8296,8 @@ def test_metadce_minimal_pthreads(self):
     # code. mode 2 ignores those and fully optimizes out the ctors
     'ctors1':    (['-O2', '-sEVAL_CTORS'],   [], ['waka']), # noqa
     'ctors2':    (['-O2', '-sEVAL_CTORS=2'], [], ['waka']), # noqa
-    'wasmfs':    (['-O2', '-sWASMFS'],       [], ['waka']), # noqa
+    # disable for roll
+    # 'wasmfs':    (['-O2', '-sWASMFS'],       [], ['waka']), # noqa
   })
   def test_metadce_cxx(self, *args):
     # do not check functions in this test as there are a lot of libc++ functions
@@ -8319,7 +8320,8 @@ def test_metadce_cxx(self, *args):
     # larger for wasm backend.
     'dylink': (['-O3', '-sMAIN_MODULE=2'], [], []), # noqa
     # WasmFS should not be fully linked into a hello world program.
-    'wasmfs': (['-O3', '-sWASMFS'],        [], []), # noqa
+    # disable for roll
+    # 'wasmfs': (['-O3', '-sWASMFS'],        [], []), # noqa
   })
   def test_metadce_hello(self, *args):
     self.run_metadce_test('hello_world.cpp', *args)
@@ -8360,7 +8362,8 @@ def test_metadce_libcxxabi_message(self, *args):
 
   @parameterized({
     'js_fs':  (['-O3', '-sNO_WASMFS'], [], []), # noqa
-    'wasmfs': (['-O3', '-sWASMFS'],    [], []), # noqa
+    # disable for roll
+    # 'wasmfs': (['-O3', '-sWASMFS'],    [], []), # noqa
   })
   def test_metadce_files(self, *args):
     self.run_metadce_test('files.cpp', *args)