Removed charset variable

src/test/java/org/cactoos/io/FileAsInputTest.java

@@ -25,7 +25,6 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import org.cactoos.text.StringAsText;
 import org.hamcrest.MatcherAssert;
@@ -34,6 +33,7 @@
 
 /**
  * Test case for {@link FileAsInput}.
+ *
  * @author Yegor Bugayenko ([email protected])
  * @version $Id$
  * @since 0.1
@@ -42,20 +42,23 @@ public final class FileAsInputTest {
 
     /**
      * FileAsInput can read file content.
+     *
      * @throws IOException If some problem inside
      */
     @Test
     public void readsFileContent() throws IOException {
-        final Charset utf = StandardCharsets.UTF_8;
         final File temp = File.createTempFile("cactoos", "txt");
         temp.deleteOnExit();
         MatcherAssert.assertThat(
             new InputAsText(
                 new TeeInput(
-                    new TextAsInput(new StringAsText("Hello, друг!"), utf),
+                    new TextAsInput(
+                        new StringAsText("Hello, друг!"),
+                        StandardCharsets.UTF_8
+                    ),
                     new FileAsOutput(temp)
                 ),
-                utf
+                StandardCharsets.UTF_8
             ).asString(),
             Matchers.allOf(
                 Matchers.equalTo(
@@ -66,5 +69,4 @@ public void readsFileContent() throws IOException {
             )
         );
     }
-
 }