docs: update observer

observer/src/main/java/com/iluwatar/observer/WeatherType.java

@@ -24,7 +24,7 @@
  */
 package com.iluwatar.observer;
 
-/**
+import lombok.Getter; /**
  * WeatherType enumeration.
  */
 public enum WeatherType {
@@ -34,16 +34,13 @@ public enum WeatherType {
   WINDY("Windy"),
   COLD("Cold");
 
+  @Getter
   private final String description;
 
   WeatherType(String description) {
     this.description = description;
   }
 
-  public String getDescription() {
-    return this.description;
-  }
-
   @Override
   public String toString() {
     return this.name().toLowerCase();

observer/src/test/java/com/iluwatar/observer/WeatherObserverTest.java

@@ -24,19 +24,17 @@
  */
 package com.iluwatar.observer;
 
-import com.iluwatar.observer.utils.InMemoryAppender;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
+import com.iluwatar.observer.utils.InMemoryAppender;
 import java.util.Collection;
 import java.util.function.Supplier;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.TestInstance;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
-
 /**
  * Date: 12/27/15 - 11:44 AM
  * Weather Observer Tests