Fix accessors fast call error (#1022)

Author: littledivy

ops/op2/mod.rs

@@ -254,7 +254,7 @@ pub(crate) fn generate_op2(
         }
       }
       None => {
-        if config.fast || config.getter || config.setter {
+        if config.fast {
           return Err(Op2Error::ShouldNotBeFast("fast"));
         }
         if config.nofast {

testing/checkin/runner/ops.rs

@@ -101,6 +101,12 @@ impl TestObjectWrap {
     tokio::time::sleep(std::time::Duration::from_millis(ms as u64)).await;
     Ok(())
   }
+
+  #[getter]
+  #[string]
+  fn with_slow_getter(&self) -> String {
+    String::from("getter")
+  }
 }
 
 pub struct DOMPoint {