Adapt to Gerrit v3.0 test API

Gerrit v3.0 has different methods for creating a test
repository in its test automation framework.

JUnit also has been upgraded to v4 and the class rule
for creating the temporary folder needs to be explicitly
invoked.

Change-Id: I1584e2842fcdfbebd4ad7f9dfb26feaa84fd384c

src/test/scala/com/googlesource/gerrit/plugins/analytics/test/GerritTestDaemon.scala

diff --git a/src/test/scala/com/googlesource/gerrit/plugins/analytics/test/GerritTestDaemon.scala b/src/test/scala/com/googlesource/gerrit/plugins/analytics/test/GerritTestDaemon.scala
index f10c772..5fe8a57 100644
--- a/src/test/scala/com/googlesource/gerrit/plugins/analytics/test/GerritTestDaemon.scala
+++ b/src/test/scala/com/googlesource/gerrit/plugins/analytics/test/GerritTestDaemon.scala
@@ -19,6 +19,7 @@
 
 import com.google.gerrit.acceptance.{AbstractDaemonTest, GitUtil}
 import com.google.gerrit.extensions.annotations.PluginName
+import com.google.gerrit.extensions.client.SubmitType
 import com.google.gerrit.reviewdb.client.Project
 import com.google.inject.{AbstractModule, Module}
 import org.eclipse.jgit.api.MergeCommand.FastForwardMode
@@ -136,16 +137,17 @@
 
 object GerritTestDaemon extends AbstractDaemonTest {
   baseConfig = new Config()
+  AbstractDaemonTest.temporaryFolder.create()
 
   def newProject(nameSuffix: String) = {
     resourcePrefix = ""
-    super.createProject(nameSuffix, allProjects, false)
+    super.createProjectOverAPI(nameSuffix, allProjects, false, SubmitType.MERGE_IF_NECESSARY)
   }
 
   def getRepository(projectName: Project.NameKey): FileRepository =
     repoManager.openRepository(projectName).asInstanceOf[FileRepository]
 
-  def adminAuthor = admin.getIdent
+  def adminAuthor = admin.newIdent
 
   def getInstance[T](clazz: Class[T]): T =
     server.getTestInjector.getInstance(clazz)