test(coverage): add test for default backoff

Signed-off-by: Tiago Castro <tiagolobocastro@gmail.com>

kube-runtime/src/utils/backoff_reset_timer.rs

@@ -83,4 +83,10 @@ mod tests {
             tokio::time::Instant::now().into_std()
         }
     }
+
+    impl<B: Backoff> ResetTimerBackoff<B> {
+        pub fn get_backoff(&self) -> &B {
+            &self.backoff
+        }
+    }
 }

kube-runtime/src/watcher.rs

@@ -919,3 +919,13 @@ impl Backoff for DefaultBackoff {
         self.0.reset()
     }
 }
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn backoff_start_interval() {
+        let default_backoff = super::DefaultBackoff::default().0;
+        let default_backoff = default_backoff.get_backoff();
+        assert_eq!(default_backoff.current_interval, default_backoff.initial_interval);
+    }
+}