Fix Codacy failures/warnings

Fixes testcontainers#500

modules/selenium/src/test/java/org/testcontainers/containers/DefaultRecordingFileFactoryTest.java

@@ -7,10 +7,12 @@
 import org.junit.runners.Parameterized;
 
 import java.io.File;
-import java.io.IOException;
 import java.nio.file.Files;
 import java.text.SimpleDateFormat;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.Random;
 
 import static java.lang.Boolean.FALSE;
 import static java.lang.Boolean.TRUE;
@@ -24,21 +26,20 @@ public class DefaultRecordingFileFactoryTest {
 
     private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("YYYYMMdd-HHmmss");
 
+    private final DefaultRecordingFileFactory factory = new DefaultRecordingFileFactory();
+    private final String methodName;
+    private final String prefix;
+    private final boolean success;
 
     @Parameterized.Parameters
     public static Collection<Object[]> data() {
         Random random = new Random();
-        return new ArrayList<Object[]>() {{
-            add(new Object[]{format("testMethodName%d", random.nextInt()), "FAILED", FALSE});
-            add(new Object[]{format("testMethodName%d", random.nextInt()), "PASSED", TRUE});
-        }};
+        Collection<Object[]> args = new ArrayList<>();
+        args.add(new Object[]{format("testMethodName%d", random.nextInt()), "FAILED", FALSE});
+        args.add(new Object[]{format("testMethodName%d", random.nextInt()), "PASSED", TRUE});
+        return args;
     }
 
-    private final DefaultRecordingFileFactory factory = new DefaultRecordingFileFactory();
-    private final String methodName;
-    private final String prefix;
-    private final boolean success;
-
     @Test
     public void recordingFileThatShouldDescribeTheTestResultAtThePresentTime() throws Exception {
         File vncRecordingDirectory = Files.createTempDirectory("recording").toFile();