[test] Fix issue #181

- Fix mistake tests in simd_load.wast
- Missing lane index should be malformed
- Test more values of lane index

Author: Honry

test/core/simd/simd_const.wast

@@ -228,6 +228,10 @@
   "unexpected token"
 )
 
+(assert_malformed
+  (module quote "(func (v128.const 0 0 0 0) drop)")
+  "unexpected token"
+)
 (assert_malformed
   (module quote "(func (v128.const i8x16) drop)")
   "wrong number of lane literals"