TestProjectProvider.importProject() fails when project already exists in Workspace

When a project exists in workspace (for example, after some test case in finished on this project) the repeat import of the same project fails because of exception risen in project.create() method. In this case the project doesn't not become properly opened.

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T E S T S
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Running org.jboss.tools.seam.ui.test.SeamUiAllTests
org.eclipse.core.internal.resources.ResourceException: Resource '/TestSeamELContentAssist' already exists.
at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:306)
at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:293)
at org.eclipse.core.internal.resources.Project.assertCreateRequirements(Project.java:52)
at org.eclipse.core.internal.resources.Project.create(Project.java:287)
at org.eclipse.core.internal.resources.Project.create(Project.java:269)
at org.eclipse.core.internal.resources.Project.create(Project.java:262)
at org.jboss.tools.test.util.ResourcesUtils.importProjectIntoWorkspace(ResourcesUtils.java:246)
at org.jboss.tools.test.util.ResourcesUtils.importProject(ResourcesUtils.java:74)
at org.jboss.tools.test.util.ResourcesUtils.importProject(ResourcesUtils.java:60)
at org.jboss.tools.test.util.ResourcesUtils.importProject(ResourcesUtils.java:193)
at org.jboss.tools.test.util.TestProjectProvider.<init>(TestProjectProvider.java:56)
at org.jboss.tools.seam.ui.test.ca.SeamELContentAssistJbide1645Test.setUp(SeamELContentAssistJbide1645Test.java:35)