[329707] JUnits testing providers for non existing project are incorrect

diff --git a/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/ejb/tests/DeleteProjectTest.java b/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/ejb/tests/DeleteProjectTest.java
index c81847f..6849cab 100644
--- a/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/ejb/tests/DeleteProjectTest.java
+++ b/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/ejb/tests/DeleteProjectTest.java

@@ -106,15 +106,11 @@
 
 	// @Test(expected = IllegalArgumentException.class)
 	public void testProviderForNonExistingProject() {
-		try {
-			IProject nonExistingProject = ResourcesPlugin.getWorkspace().getRoot().getProject(
+		IProject nonExistingProject = ResourcesPlugin.getWorkspace().getRoot().getProject(
 					"testProviderForNonExistingProject");
-			assertFalse(nonExistingProject.exists());
-			ModelProviderManager.getModelProvider(nonExistingProject);
-			fail("IllgalArgumentException expected");
-		} catch (IllegalArgumentException e) {
-
-		}
+		assertFalse(nonExistingProject.exists());
+		IModelProvider modelProvider = ModelProviderManager.getModelProvider(nonExistingProject);
+		assertNull(modelProvider);	
 	}
 
 	/**

diff --git a/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/web/tests/DeleteWebProjectTest.java b/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/web/tests/DeleteWebProjectTest.java
index a3b871f..7a209a0 100644
--- a/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/web/tests/DeleteWebProjectTest.java
+++ b/tests/org.eclipse.jst.j2ee.tests/j2ee-tests/org/eclipse/jst/jee/model/web/tests/DeleteWebProjectTest.java

@@ -109,14 +109,11 @@
 
 	// @Test(expected = IllegalArgumentException.class)
 	public void testProviderForNonExistingProject() {
-		try {
-			IProject nonExistingProject = ResourcesPlugin.getWorkspace().getRoot().getProject(
-					"testProviderForNonExistingProject");
-			assertFalse(nonExistingProject.exists());
-			ModelProviderManager.getModelProvider(nonExistingProject);
-			fail("IllegalArgumentException expected");
-		} catch (IllegalArgumentException e) {
-		}
+		IProject nonExistingProject = ResourcesPlugin.getWorkspace().getRoot().getProject(
+				"testProviderForNonExistingProject");
+		assertFalse(nonExistingProject.exists());
+		IModelProvider modelProvider = ModelProviderManager.getModelProvider(nonExistingProject);
+		assertNull(modelProvider);
 	}
 
 	/**