Fix up TODOs and get tests passing again

lib/api/src/lib.rs

@@ -315,19 +315,8 @@ pub use wasmer_engine::{
     NamedResolverChain, Resolver, RuntimeError, SerializeError, Tunables,
 };
 pub use wasmer_types::{
-    Atomically,
-    Bytes,
-    ExportIndex,
-    ExternRef,
-    GlobalInit,
-    LocalFunctionIndex,
-    MemoryView,
-    Pages,
-    VMExternRef, // TODO: review whether we want to export `VMExetrnRef` or not
-    ValueType,
-    WASM_MAX_PAGES,
-    WASM_MIN_PAGES,
-    WASM_PAGE_SIZE,
+    Atomically, Bytes, ExportIndex, ExternRef, GlobalInit, LocalFunctionIndex, MemoryView, Pages,
+    ValueType, WASM_MAX_PAGES, WASM_MIN_PAGES, WASM_PAGE_SIZE,
 };
 
 // TODO: should those be moved into wasmer::vm as well?