fix: test errors

Author: daiyue-microsoft

Cargo.toml

@@ -14,5 +14,4 @@ tokio = { version = "1.32.0", features = [ "full" ] }
 typed-builder = "0.16.1"
 
 [dev-dependencies]
-mockall = "0.11.4"
 spec = { path = "spec" }

src/api/api.rs

@@ -102,11 +102,7 @@ mod tests {
     use std::sync::Arc;
 
     use super::*;
-    use crate::{
-        provider::{self, *},
-        EvaluationContextFieldValue, EvaluationReason,
-    };
-    use mockall::mock;
+    use crate::{provider::NoOpProvider, EvaluationContextFieldValue, EvaluationReason};
     use spec::spec;
 
     #[spec(
@@ -172,14 +168,14 @@ mod tests {
     )]
     #[tokio::test]
     async fn set_provider_invoke_initialize() {
-        let mut provider = NoOpProvider::default();
+        let provider = NoOpProvider::default();
 
         assert_eq!(provider.metadata().name, "No Operation - Default");
 
         let mut api = OpenFeature::default();
         api.set_provider(provider).await;
 
-        assert_eq!(provider.metadata().name, "No Operation");
+        assert_eq!(api.provider_metadata().await.name, "No Operation");
     }
 
     #[spec(

src/provider/feature_provider.rs

@@ -5,9 +5,6 @@ use crate::{EvaluationContext, EvaluationResult, StructValue};
 
 use super::ResolutionDetails;
 
-#[cfg(test)]
-use mockall::{automock, predicate::*};
-
 // ============================================================
 //  FeatureProvider
 // ============================================================
@@ -25,7 +22,6 @@ use mockall::{automock, predicate::*};
 /// vendor SDK, embed an REST client, or read flags from a local file.
 ///
 /// See the [spec](https://openfeature.dev/specification/sections/providers).
-#[cfg_attr(test, automock)]
 #[async_trait]
 pub trait FeatureProvider: Send + Sync + 'static {
     /// The provider MAY define an initialize function which accepts the global evaluation

src/provider/no_op_provider.rs

@@ -78,7 +78,7 @@ impl FeatureProvider for NoOpProvider {
         &self.metadata
     }
 
-    async fn initialize(&mut self, evaluation_context: &EvaluationContext) {
+    async fn initialize(&mut self, _evaluation_context: &EvaluationContext) {
         self.metadata = ProviderMetadata::new("No Operation");
     }
 
@@ -244,7 +244,7 @@ mod tests {
     fn metadata_name() {
         let provider = NoOpProvider::default();
 
-        assert_eq!(provider.metadata().name, "No Operation");
+        assert_eq!(provider.metadata().name, "No Operation - Default");
     }
 
     #[spec(