[wasm] Skip additional wasm tests on big-endian platforms.

R=titzer@chromium.org, ahaas@chromium.org, michael_dawson@ca.ibm.com
BUG=

Review-Url: https://codereview.chromium.org/1948053002
Cr-Commit-Position: refs/heads/master@{#36082}

test/cctest/cctest.status

@@ -345,6 +345,8 @@
   'test-run-wasm-64/Run_Wasm_I64*': [SKIP],
   'test-run-wasm-64/Run_Wasm_LoadStoreI64_sx': [SKIP],
   'test-run-wasm-64/Run_TestI64WasmRunner': [SKIP],
+  'test-run-wasm-64/Run_WasmCall_Int64Sub': [SKIP],
+  'test-run-wasm-64/Run_Wasm_MemI64_Sum': [SKIP],
 }],  # 'byteorder == big'
 
 ##############################################################################

test/mjsunit/mjsunit.status

@@ -465,6 +465,8 @@
   'asm/sqlite3/*': [SKIP],
   # TODO(mips-team): Fix Wasm for big-endian.
   'wasm/*': [SKIP],
+  'regress/regress-599717': [SKIP],
+  'regress/regress-599719': [SKIP],
 }],  # 'byteorder == big'
 
 ##############################################################################