fix DefaultForumManagerTest#testCreatingForumShouldUseUniqueCleanUpNameAndAddTitleProperty
and #testCreatingForumShouldCleanUpNameAddTitlePropertyAndCreateAdhocRoles.
These 2 methods fail with Unexpected method call getWorkspace(); see stackTrace

java.lang.AssertionError:
Unexpected method call getWorkspace():
isExist("/mon-forum"): expected: 1, actual: 0
getRoot(): expected: 1, actual: 0
at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:32)
at org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethodsFilter.java:61)
at com.sun.proxy.$Proxy5.getWorkspace(Unknown Source)
at info.magnolia.cms.core.Path.getUniqueLabel(Path.java:148)
at info.magnolia.module.forum.DefaultForumManager.createForum(DefaultForumManager.java:133)
at info.magnolia.module.forum.DefaultForumManager.createForum(DefaultForumManager.java:126)
at info.magnolia.module.forum.DefaultForumManagerTest.testCreatingForumShouldCleanUpNameAddTitlePropertyAndCreateAdhocRoles(DefaultForumManagerTest.java:194)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)
at org.junit.runner.JUnitCore.run(JUnitCore.java:130)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:77)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)

java.lang.AssertionError:
Unexpected method call getWorkspace():
isExist("/mon-forum"): expected: 1, actual: 0
isExist("/mon-forum0"): expected: 1, actual: 0
getRoot(): expected: 1, actual: 0
at org.easymock.internal.MockInvocationHandler.invoke(MockInvocationHandler.java:32)
at org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethodsFilter.java:61)
at com.sun.proxy.$Proxy2.getWorkspace(Unknown Source)
at info.magnolia.cms.core.Path.getUniqueLabel(Path.java:148)
at info.magnolia.module.forum.DefaultForumManager.createForum(DefaultForumManager.java:133)
at info.magnolia.module.forum.DefaultForumManager.createForum(DefaultForumManager.java:126)
at info.magnolia.module.forum.DefaultForumManagerTest.testCreatingForumShouldUseUniqueCleanUpNameAndAddTitleProperty(DefaultForumManagerTest.java:137)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)
at org.junit.runner.JUnitCore.run(JUnitCore.java:130)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:77)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:195)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)