Update testsuite

Author: yurydelendik

src/binary_reader.rs

@@ -706,7 +706,7 @@ impl<'a> BinaryReader<'a> {
         let imm = self.read_memarg()?;
         if imm.flags > max_align {
             return Err(BinaryReaderError::new(
-                "Unexpected memarg alignment",
+                "alignment must not be larger than natural",
                 self.original_position() - 1,
             ));
         }

src/tests.rs

@@ -549,6 +549,10 @@ mod wast_tests {
             |name, line| match (name, line) {
                 ("br_table.wast", _) | ("select.wast", _) => true,
                 ("binary.wast", 1057) => true,
+                ("elem.wast", _) => true,
+                ("ref_func.wast", _) => true,
+                ("table-sub.wast", _) => true,
+                ("table_grow.wast", _) => true,
                 _ => false,
             },
         );