diff --git a/apps/tests/navigation-tests.ts b/apps/tests/navigation-tests.ts
index 999dc8ab2..371191d3b 100644
--- a/apps/tests/navigation-tests.ts
+++ b/apps/tests/navigation-tests.ts
@@ -32,41 +32,41 @@ export var test_backstackVisible = function() {
 }
 
 // Clearing the history messes up the tests app.
-//export var test_ClearHistory = function () {
-//    var pageFactory = function(): pageModule.Page {
-//        return new pageModule.Page();
-//    };
+export var test_ClearHistory = function () {
+    var pageFactory = function(): pageModule.Page {
+        return new pageModule.Page();
+    };
 
-//    var mainTestPage = frame.topmost().currentPage;
-//    var mainPageFactory = function(): pageModule.Page {
-//        return mainTestPage;
-//    };
+    var mainTestPage = frame.topmost().currentPage;
+    var mainPageFactory = function(): pageModule.Page {
+        return mainTestPage;
+    };
 
-//    var currentPage: pageModule.Page;
+    var currentPage: pageModule.Page;
 
-//    currentPage = frame.topmost().currentPage;
-//    frame.topmost().navigate({ create: pageFactory });
-//    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
+    currentPage = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
 
-//    currentPage = frame.topmost().currentPage;
-//    frame.topmost().navigate({ create: pageFactory });
-//    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
+    currentPage = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
 
-//    currentPage = frame.topmost().currentPage;
-//    frame.topmost().navigate({ create: pageFactory });
-//    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
+    currentPage = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
 
-//    TKUnit.assert(frame.topmost().canGoBack(), "Frame should be able to go back.");
-//    TKUnit.assert(frame.topmost().backStack.length === 3, "Back stack should have 3 entries.");
+    TKUnit.assert(frame.topmost().canGoBack(), "Frame should be able to go back.");
+    TKUnit.assert(frame.topmost().backStack.length === 3, "Back stack should have 3 entries.");
 
-//    // Navigate with clear history.
-//    currentPage = frame.topmost().currentPage;
-//    frame.topmost().navigate({ create: pageFactory, clearHistory: true });
-//    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
+    // Navigate with clear history.
+    currentPage = frame.topmost().currentPage;
+    frame.topmost().navigate({ create: pageFactory, clearHistory: true });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage !== currentPage; });
 
-//    TKUnit.assert(!frame.topmost().canGoBack(), "Frame should NOT be able to go back.");
-//    TKUnit.assert(frame.topmost().backStack.length === 0, "Back stack should have 0 entries.");
+    TKUnit.assert(!frame.topmost().canGoBack(), "Frame should NOT be able to go back.");
+    TKUnit.assert(frame.topmost().backStack.length === 0, "Back stack should have 0 entries.");
 
-//    frame.topmost().navigate({ create: mainPageFactory });
-//    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage === mainTestPage; });
-//}
\ No newline at end of file
+    frame.topmost().navigate({ create: mainPageFactory });
+    TKUnit.waitUntilReady(() => { return frame.topmost().currentPage === mainTestPage; });
+}
\ No newline at end of file
diff --git a/apps/tests/testRunner.ts b/apps/tests/testRunner.ts
index 105c7d909..e74940ed8 100644
--- a/apps/tests/testRunner.ts
+++ b/apps/tests/testRunner.ts
@@ -88,7 +88,7 @@ if (!isRunningOnEmulator()) {
 }
 
 // Navigation tests should always be last.
-//allTests["NAVIGATION"] = require("./navigation-tests");
+allTests["NAVIGATION"] = require("./navigation-tests");
 
 import utils = require("utils/utils");
 var density = utils.layout.getDisplayDensity();