[Telemetry SWX] add partition info browser test

Bug: b:158658869
Change-Id: Ie366422199576e352185d9f8877a8944dbdcad8f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2387645
Commit-Queue: Oleh Lamzin <lamzin@google.com>
Reviewed-by: Mahmoud Gawad <mgawad@google.com>
Cr-Commit-Position: refs/heads/master@{#803648}

chromeos/components/telemetry_extension_ui/test/telemetry_extension_ui_browsertest.cc

@@ -297,6 +297,15 @@ void TelemetryExtensionUiBrowserTest::SetUpOnMainThread() {
     telemetry_info->fan_result =
         chromeos::cros_healthd::mojom::FanResult::NewFanInfo(std::move(infos));
   }
+  {
+    auto partition_info =
+        chromeos::cros_healthd::mojom::StatefulPartitionInfo::New();
+    partition_info->available_space = 1125899906842624;
+    partition_info->total_space = 1125900006842624;
+
+    telemetry_info->stateful_partition_result = chromeos::cros_healthd::mojom::
+        StatefulPartitionResult::NewPartitionInfo(std::move(partition_info));
+  }
 
   DCHECK(chromeos::cros_healthd::FakeCrosHealthdClient::Get());
 

chromeos/components/telemetry_extension_ui/test/untrusted_browsertest.js

@@ -153,6 +153,10 @@ UNTRUSTED_TEST('UntrustedRequestTelemetryInfo', async () => {
     'timezone', 'memory', 'backlight', 'fan', 'stateful-partition', 'bluetooth'
   ]);
 
+  // Rounded down to the nearest 100MiB due to privacy requirement.
+  const availableSpace =
+      Math.floor(1125899906842624 / (100 * 1024 * 1024)) * (100 * 1024 * 1024);
+
   assertDeepEquals(response, {
     batteryResult: {
       batteryInfo: {
@@ -245,6 +249,12 @@ UNTRUSTED_TEST('UntrustedRequestTelemetryInfo', async () => {
       fanInfo: [{
         speedRpm: 999880912,
       }]
+    },
+    statefulPartitionResult: {
+      partitionInfo: {
+        availableSpace: availableSpace,
+        totalSpace: 1125900006842624,
+      }
     }
   });
 });