Fix javadoc references (#10067)

And remove unused imports.

5 files changed, 0 insertions, 9 deletions

diff --git a/server/src/test/java/com/vaadin/data/BeanPropertySetTest.java b/server/src/test/java/com/vaadin/data/BeanPropertySetTest.java
index 593479f24a..c577db6067 100644
--- a/server/src/test/java/com/vaadin/data/BeanPropertySetTest.java
+++ b/server/src/test/java/com/vaadin/data/BeanPropertySetTest.java
@@ -23,7 +23,6 @@ import java.lang.reflect.Field;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Map;
-import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
diff --git a/server/src/test/java/com/vaadin/data/provider/hierarchical/HierarchicalCommunicatorTest.java b/server/src/test/java/com/vaadin/data/provider/hierarchical/HierarchicalCommunicatorTest.java
index cdf71a21f1..9c1c47215c 100644
--- a/server/src/test/java/com/vaadin/data/provider/hierarchical/HierarchicalCommunicatorTest.java
+++ b/server/src/test/java/com/vaadin/data/provider/hierarchical/HierarchicalCommunicatorTest.java
@@ -9,7 +9,6 @@ import com.vaadin.server.MockVaadinSession;
 import com.vaadin.server.VaadinService;
 import com.vaadin.server.VaadinSession;
 import com.vaadin.ui.UI;
-import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
diff --git a/server/src/test/java/com/vaadin/data/validator/NotEmptyValidator.java b/server/src/test/java/com/vaadin/data/validator/NotEmptyValidator.java
index 57709ff5e2..706aa6536b 100644
--- a/server/src/test/java/com/vaadin/data/validator/NotEmptyValidator.java
+++ b/server/src/test/java/com/vaadin/data/validator/NotEmptyValidator.java
@@ -27,9 +27,6 @@ import com.vaadin.data.ValueContext;
  * Simple validator to check against {@code null} value and empty {@link String}
  * value.
  * <p>
- * This validator works similar to {@link NotNullValidator} but in addition it
- * also check whether the value is not an empty String.
- * <p>
  * This validator can be suitable for fields that have been marked as required
  * with {@link HasValue#setRequiredIndicatorVisible(boolean)}.
  * <p>
diff --git a/server/src/test/java/com/vaadin/server/AbstractClientConnectorTest.java b/server/src/test/java/com/vaadin/server/AbstractClientConnectorTest.java
index b43de2f456..4a6a2f5647 100644
--- a/server/src/test/java/com/vaadin/server/AbstractClientConnectorTest.java
+++ b/server/src/test/java/com/vaadin/server/AbstractClientConnectorTest.java
@@ -19,7 +19,6 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.ref.WeakReference;
diff --git a/server/src/test/java/com/vaadin/ui/RadioButtonGroupTest.java b/server/src/test/java/com/vaadin/ui/RadioButtonGroupTest.java
index 545871f9ce..b87d459517 100644
--- a/server/src/test/java/com/vaadin/ui/RadioButtonGroupTest.java
+++ b/server/src/test/java/com/vaadin/ui/RadioButtonGroupTest.java
@@ -15,15 +15,12 @@
  */
 package com.vaadin.ui;
 
-import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import com.vaadin.data.SelectionModel.Multi;
 import com.vaadin.data.provider.DataProvider;
 import com.vaadin.server.ServerRpcManager;
 import com.vaadin.shared.data.selection.SelectionServerRpc;