No logical changes: Fix warnings and remove unused imports

- Fix warning of varargs null calling
- Remove unused imports

Signed-off-by: Simon Stewart <[email protected]>

Author: asashour

java/client/test/org/openqa/selenium/ClickTest.java

@@ -41,7 +41,6 @@
 import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
 import org.openqa.selenium.testing.NoDriverAfterTest;
-import org.openqa.selenium.testing.NotYetImplemented;
 import org.openqa.selenium.testing.SwitchToTopAfterTest;
 
 import java.util.Set;

java/client/test/org/openqa/selenium/ElementAttributeTest.java

@@ -35,7 +35,6 @@
 
 import org.junit.Test;
 import org.openqa.selenium.support.ui.ExpectedConditions;
-import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
 import org.openqa.selenium.testing.NotYetImplemented;
 import org.openqa.selenium.testing.TestUtilities;

java/client/test/org/openqa/selenium/JavascriptEnabledDriverTest.java

@@ -39,7 +39,6 @@
 import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
 import org.openqa.selenium.testing.NeedsFreshDriver;
-import org.openqa.selenium.testing.NotYetImplemented;
 
 public class JavascriptEnabledDriverTest extends JUnit4TestBase {
 

java/client/test/org/openqa/selenium/SessionHandlingTest.java

@@ -26,13 +26,10 @@
 import static org.openqa.selenium.testing.TestUtilities.catchThrowable;
 
 import org.junit.Test;
-import org.junit.runner.RunWith;
 import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
 import org.openqa.selenium.testing.NoDriverAfterTest;
 import org.openqa.selenium.testing.NotYetImplemented;
-import org.openqa.selenium.testing.SeleniumTestRunner;
-import org.openqa.selenium.testing.drivers.WebDriverBuilder;
 
 public class SessionHandlingTest extends JUnit4TestBase {
 

java/client/test/org/openqa/selenium/SvgDocumentTest.java

@@ -29,7 +29,6 @@
 import org.junit.Test;
 import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
-import org.openqa.selenium.testing.NotYetImplemented;
 
 @Ignore(value = SAFARI, reason = "SafariDriver cannot manipulate SVG documents")
 public class SvgDocumentTest extends JUnit4TestBase {

java/client/test/org/openqa/selenium/TypingTest.java

@@ -621,7 +621,7 @@ public void testShouldBeAbleToTypeOnANumberInputField() {
   public void testShouldThrowIllegalArgumentException() {
     driver.get(pages.formPage);
     WebElement email = driver.findElement(By.id("age"));
-    email.sendKeys(null);
+    email.sendKeys((CharSequence[]) null);
   }
 
   @Test