The flexunit is not running in my build. Here’s the console output:

[trunk] $ ant
Buildfile: /home/tomcat/.hudson/jobs/CIExample/workspace/trunk/build.xml

init:
[echo] FLEX_HOME: /sdk/flex-4.1

clean-test:
[delete] Deleting directory /home/tomcat/.hudson/jobs/CIExample/workspace/trunk/bin-test
[mkdir] Created dir: /home/tomcat/.hudson/jobs/CIExample/workspace/trunk/bin-test

compile-test:
[java] Loading configuration file /sdk/flex-4.1/frameworks/flex-config.xml
[java] /home/tomcat/.hudson/jobs/CIExample/workspace/trunk/bin-test/TestRunner.swf (1013779 bytes)

run-flexunit:
[flexunit] Creating local trusted file
[flexunit] java.io.FileNotFoundException: /home/tomcat/.macromedia/Flash_Player/#Security/FlashPlayerTrust/flexUnit.cfg (Permission denied)
[flexunit] at java.io.FileOutputStream.open(Native Method)
[flexunit] at java.io.FileOutputStream.(FileOutputStream.java:194)
[flexunit] at java.io.FileOutputStream.(FileOutputStream.java:84)
[flexunit] at java.io.FileWriter.(FileWriter.java:46)
[flexunit] at org.flexunit.ant.SWFLauncher.createLocalTrustedFile(Unknown Source)
[flexunit] at org.flexunit.ant.SWFLauncher.launch(Unknown Source)
[flexunit] at org.flexunit.ant.FlexUnitLauncher.runTests(Unknown Source)
[flexunit] at org.flexunit.ant.tasks.FlexUnitTask.launchTestSuite(Unknown Source)
[flexunit] at org.flexunit.ant.tasks.FlexUnitTask.execute(Unknown Source)
[flexunit] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
[flexunit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[flexunit] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[flexunit] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[flexunit] at java.lang.reflect.Method.invoke(Method.java:597)
[flexunit] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[flexunit] at org.apache.tools.ant.Task.perform(Task.java:348)
[flexunit] at org.apache.tools.ant.Target.execute(Target.java:390)
[flexunit] at org.apache.tools.ant.Target.performTasks(Target.java:411)
[flexunit] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
[flexunit] at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
[flexunit] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[flexunit] at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
[flexunit] at org.apache.tools.ant.Main.runBuild(Main.java:809)
[flexunit] at org.apache.tools.ant.Main.startAnt(Main.java:217)
[flexunit] at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
[flexunit] at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)

BUILD FAILED
/home/tomcat/.hudson/jobs/CIExample/workspace/trunk/build.xml:85: Error launching the test runner.

What permissions do I need to make?