message: tests: fix description of WasmEngine::find_function
diff: @@ -27,16 +27,16 @@ public:
  /// Consecutive invocations replace the internal module and invalidate the internal instance.
  virtual bool parse(bytes_view input) = 0;
  - /// Finds an exported function in the internal instance.
  - /// Requires parse().
  - virtual std::optional<FuncRef> find_function(std::string_view name) const = 0;
  -
  /// Instantiates the internal module creating an internal instance.
  /// Returns false on instantiation error.
  /// Consecutive invocations replace the internal instance with a new one.
  /// Requires parse().
  virtual bool instantiate() = 0;
  + /// Finds an exported function in the internal instance.
  + /// Requires instantiate().
  + virtual std::optional<FuncRef> find_function(std::string_view name) const = 0;
  +
  /// Returns the entire memory of the internal instance.
  /// It must return memory index 0 and the size must be a multiple of the page size.
  /// Can return an empty view if no memory is available (exported).
  