chore: modernize WASM tests (#79)

I tried locally merge `fix-tests` and `fix-clippy` branches and CI
should work after my PRs

tests/fixtures/stack-height/global.wat

@@ -5,22 +5,22 @@
   (global $counter (mut i32) (i32.const 1))
 
   (func $i32.add (export "i32.add") (param i32 i32) (result i32)
-    get_local 0
-	  get_local 1
-	  i32.add
+    local.get 0
+    local.get 1
+    i32.add
   )
   (func (param $arg i32)
-     (local $tmp i32)
+    (local $tmp i32)
 
-     global.get 0
-     i32.const 1
-     i32.add
-	   tee_local $tmp
-     global.set $counter
+    global.get 0
+    i32.const 1
+    i32.add
+    local.tee $tmp
+    global.set $counter
 
-     get_local $tmp
-     get_local $arg
-     call $i32.add
-     drop
+    local.get $tmp
+    local.get $arg
+    call $i32.add
+    drop
   )
 )