Fix missing import

test/src/test/java/hudson/tasks/MavenTest.java

@@ -52,14 +52,19 @@ import java.util.Collections;
 import com.gargoylesoftware.htmlunit.html.HtmlForm;
 import com.gargoylesoftware.htmlunit.html.HtmlPage;
 import com.gargoylesoftware.htmlunit.html.HtmlButton;
+
 import hudson.EnvVars;
 import hudson.model.FreeStyleBuild;
 import hudson.model.PasswordParameterDefinition;
+
 import org.jvnet.hudson.test.Bug;
+
 import static org.junit.Assert.*;
+
 import org.junit.Rule;
 import org.junit.Test;
 import org.jvnet.hudson.test.ExtractResourceSCM;
+import org.jvnet.hudson.test.Issue;
 import org.jvnet.hudson.test.JenkinsRule;
 
 /**