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
   )
 )

tests/fixtures/stack-height/imports.wat

@@ -8,8 +8,8 @@
     call $foo
     call $boo
 
-    get_local 0
-    get_local 1
+    local.get 0
+    local.get 1
     i32.add
   )
 )

tests/fixtures/stack-height/many_locals.wat

@@ -6,5 +6,5 @@
 		(call
 			$one-group-many-locals
 		)
-  	)
+	)
 )

tests/fixtures/stack-height/table.wat

@@ -1,17 +1,17 @@
 (module
   (import "env" "foo" (func $foo))
   (func (param i32)
-    get_local 0
+    local.get 0
     i32.const 0
     call $i32.add
     drop
   )
   (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
   )
-  (table 10 anyfunc)
+  (table 10 funcref)
 
   ;; Refer all types of functions: imported, defined not exported and defined exported.
   (elem (i32.const 0) 0 1 2)