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diff --git a/framework/src/onos/web/gui/src/test/webapp/_sdh/ng-examples/js/ch09-01-time-agoSpec.js b/framework/src/onos/web/gui/src/test/webapp/_sdh/ng-examples/js/ch09-01-time-agoSpec.js
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+++ b/framework/src/onos/web/gui/src/test/webapp/_sdh/ng-examples/js/ch09-01-time-agoSpec.js
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+// ch09-01-time-agoSpec.js
+
+describe('timeAgo Filter', function () {
+    beforeEach(module('filterApp'));
+
+    var filter;
+    beforeEach(inject(function (timeAgoFilter) {
+        filter = timeAgoFilter;
+    }));
+
+    it('should respond based on timestamp', function() {
+        // The presence of new Date().getTime() makes it slightly
+        // hard to unit test deterministically.
+        // Ideally, we would inject a dateProvider into the timeAgo
+        // filter, but we are trying to keep it simple for now.
+        // So, we assume that our tests are fast enough to execute
+        // in mere milliseconds.
+
+        var t = new Date().getTime();
+        t -= 10000;
+        expect(filter(t)).toEqual('seconds ago');
+        expect(filter(t, true)).toEqual('minutes ago');
+
+        var fmin = t - 1000 * 60;
+        expect(filter(fmin)).toEqual('minutes ago');
+        expect(filter(fmin, true)).toEqual('minutes ago');
+
+        var fhour = t - 1000 * 60 * 68;
+        expect(filter(fhour)).toEqual('hours ago');
+        expect(filter(fhour, true)).toEqual('hours ago');
+
+        var fday = t - 1000 * 60 * 60 * 26;
+        expect(filter(fday)).toEqual('days ago');
+        expect(filter(fday, true)).toEqual('days ago');
+
+        var fmon = t - 1000 * 60 * 60 * 24 * 34;
+        expect(filter(fmon)).toEqual('months ago');
+        expect(filter(fmon, true)).toEqual('months ago');
+    });
+});