Skip failing wasm tests on platforms with function descriptors.

test/cctest/cctest.status

Index: test/cctest/cctest.status
diff --git a/test/cctest/cctest.status b/test/cctest/cctest.status
index c98627cc5d6bf98abc016673fa14c1f7eb3b91e1..49b71f06e3ddad861fe36a924addc9716ff49173 100644
--- a/test/cctest/cctest.status
+++ b/test/cctest/cctest.status
@@ -474,8 +474,11 @@
 ##############################################################################
 ['system == aix or (arch == ppc64 and byteorder == big)', {
 
-  # Test currently broken for platforms with function desciptors
+  # TODO(ppc): Fix for platforms with function desciptors.
   'test-run-machops/RunComputedCodeObject' : [SKIP],
+  'test-run-wasm-module/Run_WasmModule_Return114' : [SKIP],
+  'test-run-wasm-module/Run_WasmModule_CallAdd' : [SKIP],
+  'test-run-wasm-module/Run_WasmModule_CallMain_recursive' : [SKIP],
 
 }],  # 'system == aix or (arch == ppc64 and byteorder == big)'