diff -r 000000000000 -r 6474c204b198 mobile/android/tests/background/junit3/src/healthreport/MockDatabaseEnvironment.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/tests/background/junit3/src/healthreport/MockDatabaseEnvironment.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+package org.mozilla.gecko.background.healthreport;
+
+import org.mozilla.gecko.background.healthreport.HealthReportDatabaseStorage;
+import org.mozilla.gecko.background.healthreport.HealthReportDatabaseStorage.DatabaseEnvironment;
+
+public class MockDatabaseEnvironment extends DatabaseEnvironment {
+  public MockDatabaseEnvironment(HealthReportDatabaseStorage storage, Class<? extends EnvironmentAppender> appender) {
+    super(storage, appender);
+  }
+
+  public MockDatabaseEnvironment(HealthReportDatabaseStorage storage) {
+    super(storage);
+  }
+
+  public static class MockEnvironmentAppender extends EnvironmentAppender {
+    public StringBuilder appended = new StringBuilder();
+
+    public MockEnvironmentAppender() {
+      super();
+    }
+
+    @Override
+    public void append(String s) {
+      appended.append(s);
+    }
+
+    @Override
+    public void append(int v) {
+      appended.append(v);
+    }
+
+    @Override
+    public String toString() {
+      return appended.toString();
+    }
+  }
+
+  public MockDatabaseEnvironment mockInit(String appVersion) {
+    profileCreation = 1234;
+    cpuCount        = 2;
+    memoryMB        = 512;
+
+    isBlocklistEnabled = 1;
+    isTelemetryEnabled = 1;
+    extensionCount     = 0;
+    pluginCount        = 0;
+    themeCount         = 0;
+
+    architecture    = "";
+    sysName         = "";
+    sysVersion      = "";
+    vendor          = "";
+    appName         = "";
+    appID           = "";
+    this.appVersion = appVersion;
+    appBuildID      = "";
+    platformVersion = "";
+    platformBuildID = "";
+    os              = "";
+    xpcomabi        = "";
+    updateChannel   = "";
+
+    // v2 fields.
+    distribution  = "";
+    appLocale     = "";
+    osLocale      = "";
+    acceptLangSet = 0;
+
+    version       = Environment.CURRENT_VERSION;
+
+    return this;
+  }
+}