Update tests for serde::duration

src/serde/duration/opt_ms.rs

@@ -52,7 +52,7 @@ mod tests {
     }
 
     #[test]
-    fn test_deserialize_some_duration_as_milliseconds() {
+    fn test_deserialize_some() {
         let json = json!({ "timeout": 3000 });
 
         assert_eq!(
@@ -64,7 +64,7 @@ mod tests {
     }
 
     #[test]
-    fn test_deserialize_empty_duration_as_milliseconds() {
+    fn test_deserialize_none_by_absence() {
         let json = json!({});
 
         assert_eq!(
@@ -74,7 +74,17 @@ mod tests {
     }
 
     #[test]
-    fn test_serialize_some_duration_as_milliseconds() {
+    fn test_deserialize_none_by_null() {
+        let json = json!({ "timeout": null });
+
+        assert_eq!(
+            serde_json::from_value::<DurationTest>(json).unwrap(),
+            DurationTest { timeout: None },
+        );
+    }
+
+    #[test]
+    fn test_serialize_some() {
         let request = DurationTest {
             timeout: Some(Duration::new(2, 0)),
         };
@@ -85,7 +95,7 @@ mod tests {
     }
 
     #[test]
-    fn test_serialize_empty_duration_as_milliseconds() {
+    fn test_serialize_none() {
         let request = DurationTest { timeout: None };
         assert_eq!(serde_json::to_value(&request).unwrap(), json!({}));
     }

src/serde/duration/secs.rs

@@ -48,7 +48,7 @@ mod tests {
     }
 
     #[test]
-    fn test_deserialize_duration_as_seconds() {
+    fn test_deserialize() {
         let json = json!({ "timeout": 3 });
 
         assert_eq!(
@@ -60,7 +60,7 @@ mod tests {
     }
 
     #[test]
-    fn test_serialize_duration_as_seconds() {
+    fn test_serialize() {
         let test = DurationTest {
             timeout: Duration::from_millis(7000),
         };