restore specific imports

Author: Riliane

src/test/java/org/jenkinsci/plugins/workflow/cps/FlowDurabilityTest.java

@@ -45,11 +45,15 @@
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;
-import org.jvnet.hudson.test.*;
+import org.jvnet.hudson.test.BuildWatcher;
+import org.jvnet.hudson.test.Issue;
+import org.jvnet.hudson.test.JenkinsRule;
+import org.jvnet.hudson.test.RestartableJenkinsRule;
 
 import edu.umd.cs.findbugs.annotations.NonNull;
 
-import java.io.*;
+import java.io.File;
+import java.io.FileOutputStream;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;