Use the date service to parse dates
diff --git a/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/features/MetricsApiMockTest.java b/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/features/MetricsApiMockTest.java
index c6e30c1..2001d19 100644
--- a/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/features/MetricsApiMockTest.java
+++ b/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/features/MetricsApiMockTest.java
@@ -19,9 +19,7 @@
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertTrue;
 
-import java.text.ParsePosition;
-import java.text.SimpleDateFormat;
-import java.util.Locale;
+import java.util.Date;
 
 import org.jclouds.azurecompute.arm.domain.Metric;
 import org.jclouds.azurecompute.arm.domain.MetricData;
@@ -41,11 +39,10 @@
 
    public void testList() throws Exception {
       server.enqueue(jsonResponse("/metrics.json"));
-      final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.US);
       final MetricsApi metricsApi = api.getMetricsApi(resourceId);
-      assertEquals(metricsApi.list(filter), ImmutableList.of(Metric.create(ImmutableList.of(MetricData
-                .create(dateFormat.parse("2017-06-01T07:14:00", new ParsePosition(0)), null,
-                    Double.valueOf(0.295), null, null, null)),
+      Date timestamp = dateService.iso8601DateOrSecondsDateParse("2017-06-01T11:14:00Z");
+      assertEquals(metricsApi.list(filter), ImmutableList.of(Metric.create(
+            ImmutableList.of(MetricData.create(timestamp, null, Double.valueOf(0.295), null, null, null)),
             "/subscriptions/SUBSCRIPTIONID/resourceGroups/myresourcegroup/providers"
                   + "/Microsoft.Compute/virtualMachines/myvm/providers/Microsoft.Insights/metrics/Percentage CPU",
             MetricName.create("Percentage CPU", "Percentage CPU"), "Microsoft.Insights/metrics", "Percent")));
diff --git a/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/internal/BaseAzureComputeApiMockTest.java b/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/internal/BaseAzureComputeApiMockTest.java
index dc4ad28..f704e5f 100644
--- a/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/internal/BaseAzureComputeApiMockTest.java
+++ b/azurecompute-arm/src/test/java/org/jclouds/azurecompute/arm/internal/BaseAzureComputeApiMockTest.java
@@ -28,6 +28,7 @@
 import org.jclouds.azurecompute.arm.AzureComputeApi;
 import org.jclouds.azurecompute.arm.AzureComputeProviderMetadata;
 import org.jclouds.concurrent.config.ExecutorServiceModule;
+import org.jclouds.date.DateService;
 import org.jclouds.rest.ApiContext;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.BeforeMethod;
@@ -52,6 +53,7 @@
    protected MockWebServer server;
    protected AzureComputeApi api;
    protected ApiContext<AzureComputeApi> context;
+   protected DateService dateService;
 
    // So that we can ignore formatting.
    private final JsonParser parser = new JsonParser();
@@ -68,6 +70,7 @@
               .overrides(setupProperties())
               .build();
       api = context.getApi();
+      dateService = context.utils().injector().getInstance(DateService.class);
    }
    
    protected Properties setupProperties() {