TestTxEnv::spawn_accounts should ignore internal addresses

tests/src/vm_host_env/tx.rs

@@ -111,13 +111,20 @@ impl TestTxEnv {
         );
     }
 
-    /// Fake accounts existence by initializating their VP storage.
+    /// Fake accounts' existence by initializing their VP storage.
     /// This is needed for accounts that are being modified by a tx test to
-    /// pass account existence check in `tx_write` function.
+    /// pass account existence check in `tx_write` function. Any
+    /// [`Address::Internal`] passed in are ignored, as those should not have
+    /// wasm VPs in storage.
     pub fn spawn_accounts(
         &mut self,
         addresses: impl IntoIterator<Item = impl Borrow<Address>>,
     ) {
+        let addresses: Vec<Address> = addresses
+            .into_iter()
+            .map(|a| a.borrow().to_owned())
+            .filter(|a| !matches!(a, Address::Internal(_)))
+            .collect();
         for address in addresses {
             let key = Key::validity_predicate(address.borrow());
             let vp_code = vec![];