Small refactoring

Author: Artem Labazin

pom.xml

@@ -259,7 +259,7 @@ limitations under the License.
           <dependency>
             <groupId>com.puppycrawl.tools</groupId>
             <artifactId>checkstyle</artifactId>
-            <version>8.7</version>
+            <version>8.8</version>
           </dependency>
         </dependencies>
         <executions>

src/main/java/io/appulse/utils/ResourceUtils.java

@@ -45,14 +45,12 @@ public static Optional<String> getResource (@NonNull String name, @NonNull Chars
       inputStream = ResourceUtils.class.getResourceAsStream(name);
       if (inputStream == null) {
         return empty();
-      } else {
-        byte[] bytes = BytesUtils.read(inputStream);
-        String string = new String(bytes, charset);
-        return of(string);
       }
-    } else {
-      return of("");
     }
+
+    val bytes = BytesUtils.read(inputStream);
+    val string = new String(bytes, charset);
+    return of(string);
   }
 
   private ResourceUtils () {

src/test/java/io/appulse/utils/ResourceUtilsTest.java

@@ -18,10 +18,6 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import static java.util.Optional.empty;
-
-import java.util.Optional;
-
 import org.junit.Test;
 
 /**