Revert of Fail gracefully if no Chrome trace or insufficient power samples.

tracing/tracing/metrics/system_health/power_metric_test.html

Index: tracing/tracing/metrics/system_health/power_metric_test.html
diff --git a/tracing/tracing/metrics/system_health/power_metric_test.html b/tracing/tracing/metrics/system_health/power_metric_test.html
index c06a6214cf6db3a2dc208f441ab6f5f55b6aa8ca..85d050f80cd82a1bc66d9c190ab6b67eab8b56c9 100644
--- a/tracing/tracing/metrics/system_health/power_metric_test.html
+++ b/tracing/tracing/metrics/system_health/power_metric_test.html
@@ -34,42 +34,16 @@
 
 tr.b.unittest.testSuite(function() {
   test('powerMetric_noPowerSeries', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
     tr.metrics.sh.powerMetric(valueSet, model);
     assert.lengthOf(valueSet, 0);
   });
 
-  test('powerMetric_noChromeTrace', function() {
-    var model = new tr.Model();
-    var valueSet = new tr.v.ValueSet();
-    model.device.powerSeries = new tr.model.PowerSeries(model.device);
-    for (var i = 0; i <= 1000; i++) {
-        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-    }
-    tr.metrics.sh.powerMetric(valueSet, model);
-    assert.lengthOf(valueSet, 0);
-  });
-
-  test('powerMetric_emptyChromeTrace', function() {
+  test('powerMetric_generic_oneStageEachType', function() {
     var model = new tr.Model();
     var valueSet = new tr.v.ValueSet();
     var rendererProcess = model.getOrCreateProcess(1234);
@@ -84,105 +58,6 @@
     model.userModel.expectations.push(new tr.model.um.IdleExpectation(
         model, 500, 500));
     tr.metrics.sh.powerMetric(valueSet, model);
-    assert.lengthOf(valueSet, 0);
-  });
-
-  test('powerMetric_powerSeriesStartsLate', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 300; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.LoadExpectation(
-          model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 0, 500));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 500, 500));
-    });
-    var valueSet = new tr.v.ValueSet();
-    tr.metrics.sh.powerMetric(valueSet, model);
-    assert.lengthOf(valueSet, 0);
-  });
-
-  test('powerMetric_powerSeriesEndsEarly', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 700; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.LoadExpectation(
-          model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 0, 500));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 500, 500));
-    });
-    var valueSet = new tr.v.ValueSet();
-    tr.metrics.sh.powerMetric(valueSet, model);
-    assert.lengthOf(valueSet, 0);
-  });
-
-  test('powerMetric_generic_oneStageEachType_irBeyondChrome', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.LoadExpectation(
-          model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 0, 500));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 500, 1500));
-    });
-    var valueSet = new tr.v.ValueSet();
-    tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.equal(getMetricValueSum(valueSet,
         'successful_load:time'), 500);
@@ -199,38 +74,23 @@
   });
 
   test('powerMetric_generic_multipleStagesEachType', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-        var rendererProcess = model.getOrCreateProcess(1234);
-        var mainThread = rendererProcess.getOrCreateThread(1);
-        mainThread.name = 'CrRendererMain';
-        mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-            cat: 'blink.user_timing',
-            title: 'navigationStart',
-            start: 0,
-            duration: 0.0,
-            args: {frame: '0xdeadbeef'}
-          }));
-        mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-            cat: 'blink.user_timing',
-            title: 'navigationStart',
-            start: 1000,
-            duration: 0.0,
-            args: {frame: '0xdeadbeef'}
-          }));
-        model.device.powerSeries = new tr.model.PowerSeries(model.device);
-        for (var i = 0; i <= 1000; i++) {
-            model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-        }
-        model.userModel.expectations.push(new tr.model.um.LoadExpectation(
-            model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 0, 200));
-        model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-            model, 200, 300));
-        model.userModel.expectations.push(new tr.model.um.LoadExpectation(
-            model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 500, 200));
-        model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-            model, 700, 300));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    for (var i = 0; i <= 1000; i++) {
+        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
+    }
+    model.userModel.expectations.push(new tr.model.um.LoadExpectation(
+        model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 0, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 200, 300));
+    model.userModel.expectations.push(new tr.model.um.LoadExpectation(
+        model, tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL, 500, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 700, 300));
     tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.equal(getMetricValueSum(valueSet,
@@ -247,7 +107,7 @@
         'idle:power'), 600, 0.5);
   });
 
-  test('powerMetric_loading_oneInterval_samplesBeyondChrome', function() {
+  test('powerMetric_loading_oneInterval', function() {
     // Interval of load is [200, 15400].
     // Trace goes until 22150.
     var model = tr.c.TestUtils.newModel(function(model) {
@@ -320,8 +180,6 @@
       for (var i = 0; i <= 15400; i++)
         model.device.powerSeries.addPowerSample(i.toString(), '20');
       for (var i = 15401; i <= 22160; i++)
-        model.device.powerSeries.addPowerSample(i.toString(), '10');
-      for (var i = 22160; i <= 30000; i++)
         model.device.powerSeries.addPowerSample(i.toString(), '10');
     });
 
@@ -405,34 +263,19 @@
   });
 
   test('powerMetric_scroll_oneStageEachType', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Scroll", 0, 500));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 500, 500));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    for (var i = 0; i <= 1000; i++) {
+        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
+    }
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Scroll", 0, 500));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 500, 500));
     tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.equal(getMetricValueSum(valueSet,
@@ -444,38 +287,23 @@
   });
 
   test('powerMetric_scroll_multipleStagesEachType', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Scroll", 0, 200));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 200, 300));
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Touch, Scroll, Tap", 500, 200));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 700, 300));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    for (var i = 0; i <= 1000; i++) {
+        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
+    }
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Scroll", 0, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 200, 300));
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Touch, Scroll, Tap", 500, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 700, 300));
     tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.equal(getMetricValueSum(valueSet,
@@ -487,37 +315,22 @@
   });
 
   test('powerMetric_frameBased_multipleFrames', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 70,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Video", 1, 69));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      // We want values in different frames, so they must go up by more than
-      // 16.66 milliseconds.
-      model.device.powerSeries.addPowerSample('1', '.1');
-      model.device.powerSeries.addPowerSample('2', '.1');
-      model.device.powerSeries.addPowerSample('18', '.2');
-      model.device.powerSeries.addPowerSample('36', '.3');
-      model.device.powerSeries.addPowerSample('53', '.4');
-      model.device.powerSeries.addPowerSample('70', '.5');
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Video", 1, 70));
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    // We want values in different frames, so they must go up by more than 16.66
+    // milliseconds.
+    model.device.powerSeries.addPowerSample('1', '.1');
+    model.device.powerSeries.addPowerSample('2', '.1');
+    model.device.powerSeries.addPowerSample('18', '.2');
+    model.device.powerSeries.addPowerSample('36', '.3');
+    model.device.powerSeries.addPowerSample('53', '.4');
+    model.device.powerSeries.addPowerSample('70', '.5');
     tr.metrics.sh.powerMetric(valueSet, model);
     assert.closeTo(getMetricValueAvg(valueSet, 'per_frame:energy'),
         0.00344, 1e-4)
@@ -526,37 +339,22 @@
   });
 
   test('powerMetric_frameBased_oneFrame', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 6,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Video", 1, 5));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      // We want values in the same frame, so they must go up by less than 16.66
-      // milliseconds.
-      model.device.powerSeries.addPowerSample('1', '.1');
-      model.device.powerSeries.addPowerSample('2', '.1');
-      model.device.powerSeries.addPowerSample('3', '.2');
-      model.device.powerSeries.addPowerSample('4', '.3');
-      model.device.powerSeries.addPowerSample('5', '.4');
-      model.device.powerSeries.addPowerSample('6', '.5');
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Video", 1, 6));
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    // We want values in the same frame, so they must go up by less than 16.66
+    // milliseconds.
+    model.device.powerSeries.addPowerSample('1', '.1');
+    model.device.powerSeries.addPowerSample('2', '.1');
+    model.device.powerSeries.addPowerSample('3', '.2');
+    model.device.powerSeries.addPowerSample('4', '.3');
+    model.device.powerSeries.addPowerSample('5', '.4');
+    model.device.powerSeries.addPowerSample('6', '.5');
     tr.metrics.sh.powerMetric(valueSet, model);
     assert.closeTo(getMetricValueAvg(valueSet, 'per_frame:energy'),
         0.0011, 1e-4)
@@ -565,72 +363,42 @@
   });
 
   test('powerMetric_video_oneStageEachType', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Video", 0, 500));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 500, 500));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain';
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    for (var i = 0; i <= 1000; i++) {
+        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
+    }
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Video", 0, 500));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 500, 500));
     tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.closeTo(getMetricValueAvg(valueSet, 'video:power'), 250, 0.5);
   });
 
   test('powerMetric_video_multipleStagesEachType', function() {
-    var model = tr.c.TestUtils.newModel(function(model) {
-      var rendererProcess = model.getOrCreateProcess(1234);
-      var mainThread = rendererProcess.getOrCreateThread(1);
-      mainThread.name = 'CrRendererMain';
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 0,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      mainThread.sliceGroup.pushSlice(tr.c.TestUtils.newSliceEx({
-          cat: 'blink.user_timing',
-          title: 'navigationStart',
-          start: 1000,
-          duration: 0.0,
-          args: {frame: '0xdeadbeef'}
-        }));
-      model.device.powerSeries = new tr.model.PowerSeries(model.device);
-      for (var i = 0; i <= 1000; i++) {
-          model.device.powerSeries.addPowerSample(i.toString(), i.toString());
-      }
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Video", 0, 200));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 200, 300));
-      model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
-          model, "Video", 500, 200));
-      model.userModel.expectations.push(new tr.model.um.IdleExpectation(
-          model, 700, 300));
-    });
-    var valueSet = new tr.v.ValueSet();
+    var model = new tr.Model();
+    var valueSet = new tr.v.ValueSet();
+    var rendererProcess = model.getOrCreateProcess(1234);
+    var mainThread = rendererProcess.getOrCreateThread(1);
+    mainThread.name = 'CrRendererMain'
+    model.device.powerSeries = new tr.model.PowerSeries(model.device);
+    for (var i = 0; i <= 1000; i++) {
+        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
+    }
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Video", 0, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 200, 300));
+    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
+        model, "Video", 500, 200));
+    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
+        model, 700, 300));
     tr.metrics.sh.powerMetric(valueSet, model);
 
     assert.closeTo(getMetricValueAvg(valueSet, 'video:power'), 350, 0.5);