diff --git a/src/AddIns/Analysis/UnitTesting/Src/AbstractRunTestCommand.cs b/src/AddIns/Analysis/UnitTesting/Src/AbstractRunTestCommand.cs
index 0b81f3fdc6..9ba954127c 100644
--- a/src/AddIns/Analysis/UnitTesting/Src/AbstractRunTestCommand.cs
+++ b/src/AddIns/Analysis/UnitTesting/Src/AbstractRunTestCommand.cs
@@ -301,10 +301,10 @@ namespace ICSharpCode.UnitTesting
 			if (testProgressMonitor == null) {
 				OnBeforeRunTests();
 				testProgressMonitor = context.StatusBarService.CreateProgressMonitor();
-				totalProjectCount = selectedTests.Projects.Count;
+				totalProjectCount = selectedTests.ProjectsCount;
 			}
 			testProgressMonitor.TaskName = GetProgressMonitorLabel(selectedTests.Project);
-			testProgressMonitor.Progress = GetProgress(selectedTests.Projects);
+			testProgressMonitor.Progress = GetProgress(selectedTests.ProjectsCount);
 			
 			testRunner = CreateTestRunner(selectedTests.Project);
 			if (testRunner != null) {
@@ -326,9 +326,9 @@ namespace ICSharpCode.UnitTesting
 			return StringParser.Parse("${res:ICSharpCode.UnitTesting.StatusBarProgressLabel}", tagPair);
 		}
 		
-		double GetProgress(IList<IProject> projectsLeftToRun)
+		double GetProgress(int projectsLeftToRunCount)
 		{
-			return (double)(totalProjectCount - projectsLeftToRun.Count) / totalProjectCount;
+			return (double)(totalProjectCount - projectsLeftToRunCount) / totalProjectCount;
 		}
 		
 		protected virtual ITestRunner CreateTestRunner(IProject project)
diff --git a/src/AddIns/Analysis/UnitTesting/Src/SelectedTests.cs b/src/AddIns/Analysis/UnitTesting/Src/SelectedTests.cs
index 69d86c3dc2..3401f2e53f 100644
--- a/src/AddIns/Analysis/UnitTesting/Src/SelectedTests.cs
+++ b/src/AddIns/Analysis/UnitTesting/Src/SelectedTests.cs
@@ -64,10 +64,14 @@ namespace ICSharpCode.UnitTesting
 			}
 		}
 		
-		public IList<IProject> Projects {
+		public IEnumerable<IProject> Projects {
 			get { return projects; }
 		}
 		
+		public int ProjectsCount {
+			get {return projects.Count;}
+		}
+		
 		public IProject Project {
 			get {
 				if (projects.Count > 0) {
diff --git a/src/AddIns/Analysis/UnitTesting/Test/Tree/ClassTestFixtureSelectedTestFixture.cs b/src/AddIns/Analysis/UnitTesting/Test/Tree/ClassTestFixtureSelectedTestFixture.cs
index 81113d305f..f164251010 100644
--- a/src/AddIns/Analysis/UnitTesting/Test/Tree/ClassTestFixtureSelectedTestFixture.cs
+++ b/src/AddIns/Analysis/UnitTesting/Test/Tree/ClassTestFixtureSelectedTestFixture.cs
@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+
 using ICSharpCode.SharpDevelop.Project;
 using ICSharpCode.UnitTesting;
 using NUnit.Framework;
@@ -40,9 +42,9 @@ namespace UnitTesting.Tests.Tree
 		public void SelectedTestsHasOneProject()
 		{
 			IProject[] expectedProjects = new IProject[] { project };
-			List<IProject> actualProjects = new List<IProject>(selectedTests.Projects);
+			var actualProjects = selectedTests.Projects.ToArray();
 			
-			Assert.AreEqual(expectedProjects, actualProjects.ToArray());
+			Assert.AreEqual(expectedProjects, actualProjects);
 		}
 		
 		[Test]
diff --git a/src/AddIns/Analysis/UnitTesting/Test/Tree/MethodTestSelectedTestFixture.cs b/src/AddIns/Analysis/UnitTesting/Test/Tree/MethodTestSelectedTestFixture.cs
index 3b8588bd3c..95ca634dc3 100644
--- a/src/AddIns/Analysis/UnitTesting/Test/Tree/MethodTestSelectedTestFixture.cs
+++ b/src/AddIns/Analysis/UnitTesting/Test/Tree/MethodTestSelectedTestFixture.cs
@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+
 using ICSharpCode.SharpDevelop.Project;
 using ICSharpCode.UnitTesting;
 using NUnit.Framework;
@@ -43,9 +45,9 @@ namespace UnitTesting.Tests.Tree
 		public void SelectedTestsHasOneProject()
 		{
 			IProject[] expectedProjects = new IProject[] { project };
-			List<IProject> actualProjects = new List<IProject>(selectedTests.Projects);
+			var actualProjects = selectedTests.Projects.ToArray();
 			
-			Assert.AreEqual(expectedProjects, actualProjects.ToArray());
+			Assert.AreEqual(expectedProjects, actualProjects);
 		}
 		
 		[Test]
diff --git a/src/AddIns/Analysis/UnitTesting/Test/Tree/NoOwnerForSelectedTestsTestFixture.cs b/src/AddIns/Analysis/UnitTesting/Test/Tree/NoOwnerForSelectedTestsTestFixture.cs
index c873f6b0c6..555ca3a426 100644
--- a/src/AddIns/Analysis/UnitTesting/Test/Tree/NoOwnerForSelectedTestsTestFixture.cs
+++ b/src/AddIns/Analysis/UnitTesting/Test/Tree/NoOwnerForSelectedTestsTestFixture.cs
@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+
 using ICSharpCode.SharpDevelop.Project;
 using ICSharpCode.UnitTesting;
 using NUnit.Framework;
@@ -30,14 +32,14 @@ namespace UnitTesting.Tests.Tree
 		[Test]
 		public void SelectedTestsHaveThreeProjects()
 		{
-			Assert.AreEqual(3, selectedTests.Projects.Count);
+			Assert.AreEqual(3, selectedTests.ProjectsCount);
 		}
 		
 		[Test]
 		public void SelectedProjectsMatchProjectsPassedToConstructor()
 		{
-			List<IProject> actualProjects = new List<IProject>(selectedTests.Projects);
-			Assert.AreEqual(projects.ToArray(), actualProjects.ToArray());
+			var actualProjects = selectedTests.Projects.ToArray();
+			Assert.AreEqual(projects.ToArray(), actualProjects);
 		}
 		
 		[Test]
diff --git a/src/AddIns/Analysis/UnitTesting/Test/Tree/SelectedTestsTestFixture.cs b/src/AddIns/Analysis/UnitTesting/Test/Tree/SelectedTestsTestFixture.cs
index ada47fc730..947b384f90 100644
--- a/src/AddIns/Analysis/UnitTesting/Test/Tree/SelectedTestsTestFixture.cs
+++ b/src/AddIns/Analysis/UnitTesting/Test/Tree/SelectedTestsTestFixture.cs
@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
+
 using ICSharpCode.SharpDevelop.Project;
 using ICSharpCode.UnitTesting;
 using NUnit.Framework;
@@ -49,7 +51,7 @@ namespace UnitTesting.Tests.Tree
 		[Test]
 		public void ProjectsReturnsSingleItemContainingProjectPassedToConstructor()
 		{
-			List<IProject> projects = new List<IProject>(selectedTests.Projects);
+			var projects = selectedTests.Projects.ToArray();
 			IProject[] expectedProjects = new IProject[] { project };
 			
 			Assert.AreEqual(expectedProjects, projects);
@@ -71,7 +73,7 @@ namespace UnitTesting.Tests.Tree
 		public void RemoveFirstProjectLeavesNoProjects()
 		{
 			selectedTests.RemoveFirstProject();
-			Assert.AreEqual(0, selectedTests.Projects.Count);
+			Assert.AreEqual(0, selectedTests.ProjectsCount);
 		}
 		
 		[Test]
diff --git a/src/AddIns/Analysis/UnitTesting/Test/Utils/Tests/SelectedTestsWithTestMethodTestFixture.cs b/src/AddIns/Analysis/UnitTesting/Test/Utils/Tests/SelectedTestsWithTestMethodTestFixture.cs
index ea44f34a67..8ed6d5f4c1 100644
--- a/src/AddIns/Analysis/UnitTesting/Test/Utils/Tests/SelectedTestsWithTestMethodTestFixture.cs
+++ b/src/AddIns/Analysis/UnitTesting/Test/Utils/Tests/SelectedTestsWithTestMethodTestFixture.cs
@@ -29,7 +29,7 @@ namespace UnitTesting.Tests.Utils.Tests
 		[Test]
 		public void SelectedTestsHasOneProjectSelected()
 		{
-			Assert.AreEqual(1, selectedTestsWithTestMethod.Projects.Count);
+			Assert.AreEqual(1, selectedTestsWithTestMethod.ProjectsCount);
 		}
 		
 		[Test]