Improved tests clarity

lib/js-api/src/externals/function.rs

@@ -33,17 +33,12 @@ pub struct VMFunctionBody(u8);
 ///   with native functions. Attempting to create a native `Function` with one will
 ///   result in a panic.
 ///   [Closures as host functions tracking issue](https://github.com/wasmerio/wasmer/issues/1840)
+#[derive(Clone, PartialEq)]
 pub struct Function {
     pub(crate) store: Store,
     pub(crate) exported: VMFunction,
 }
 
-impl PartialEq for Function {
-    fn eq(&self, other: &Self) -> bool {
-        self.exported == other.exported
-    }
-}
-
 impl wasmer_types::WasmValueType for Function {
     /// Write the value.
     unsafe fn write_value_to(&self, p: *mut i128) {
@@ -761,19 +756,6 @@ impl<'a> Exportable<'a> for Function {
     }
 }
 
-impl Clone for Function {
-    fn clone(&self) -> Self {
-        unimplemented!();
-        // let mut exported = self.exported.clone();
-        // exported.vm_function.upgrade_instance_ref().unwrap();
-
-        // Self {
-        //     store: self.store.clone(),
-        //     exported,
-        // }
-    }
-}
-
 impl fmt::Debug for Function {
     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
         formatter

lib/js-api/src/store.rs

@@ -1,4 +1,3 @@
-use std::any::Any;
 use std::fmt;
 
 /// The store represents all global state that can be manipulated by