Fix SynthethicPassowrdManager unit tests

Mock DevicePolicyManager in the unit tests.

Bug: 34600579
Test: runtest frameworks-services -c com.android.server.SyntheticPasswordTests
Change-Id: Ieca30a74d7d9d867994e912d188231510f54e76c
diff --git a/services/tests/servicestests/src/com/android/server/BaseLockSettingsServiceTests.java b/services/tests/servicestests/src/com/android/server/BaseLockSettingsServiceTests.java
index c6265bc..a2a4019 100644
--- a/services/tests/servicestests/src/com/android/server/BaseLockSettingsServiceTests.java
+++ b/services/tests/servicestests/src/com/android/server/BaseLockSettingsServiceTests.java
@@ -25,6 +25,8 @@
 
 import android.app.IActivityManager;
 import android.app.NotificationManager;
+import android.app.admin.DevicePolicyManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.UserInfo;
 import android.database.sqlite.SQLiteDatabase;
@@ -76,7 +78,7 @@
     UserManager mUserManager;
     MockStorageManager mStorageManager;
     IActivityManager mActivityManager;
-
+    DevicePolicyManager mDevicePolicyManager;
     KeyStore mKeyStore;
 
     @Override
@@ -89,7 +91,9 @@
         mUserManager = mock(UserManager.class);
         mStorageManager = new MockStorageManager();
         mActivityManager = mock(IActivityManager.class);
-        mContext = new MockLockSettingsContext(getContext(), mUserManager, mNotificationManager);
+        mDevicePolicyManager = mock(DevicePolicyManager.class);
+        mContext = new MockLockSettingsContext(getContext(), mUserManager, mNotificationManager,
+                mDevicePolicyManager);
         mStorage = new LockSettingsStorageTestable(mContext,
                 new File(getContext().getFilesDir(), "locksettings"));
         File storageDir = mStorage.mStorageDir;
@@ -122,6 +126,10 @@
         });
 
         when(mLockPatternUtils.getLockSettings()).thenReturn(mService);
+
+        // Adding a fake Device Owner app which will enable escrow token support in LSS.
+        when(mDevicePolicyManager.getDeviceOwnerComponentOnAnyUser()).thenReturn(
+                new ComponentName("com.dummy.package", ".FakeDeviceOwner"));
     }
 
     @Override
diff --git a/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java b/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
index c68fbdc..4677904 100644
--- a/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
+++ b/services/tests/servicestests/src/com/android/server/LockSettingsStorageTests.java
@@ -21,6 +21,7 @@
 import static org.mockito.Mockito.when;
 
 import android.app.NotificationManager;
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.content.pm.UserInfo;
@@ -68,7 +69,7 @@
         when(mockUserManager.getProfileParent(eq(3))).thenReturn(new UserInfo(0, "name", 0));
 
         MockLockSettingsContext context = new MockLockSettingsContext(getContext(), mockUserManager,
-                mock(NotificationManager.class));
+                mock(NotificationManager.class), mock(DevicePolicyManager.class));
         mStorage = new LockSettingsStorageTestable(context,
                 new File(getContext().getFilesDir(), "locksettings"));
         mStorage.setDatabaseOnCreateCallback(new LockSettingsStorage.Callback() {
diff --git a/services/tests/servicestests/src/com/android/server/MockLockSettingsContext.java b/services/tests/servicestests/src/com/android/server/MockLockSettingsContext.java
index b63936f..8bceed4 100644
--- a/services/tests/servicestests/src/com/android/server/MockLockSettingsContext.java
+++ b/services/tests/servicestests/src/com/android/server/MockLockSettingsContext.java
@@ -17,6 +17,7 @@
 package com.android.server;
 
 import android.app.NotificationManager;
+import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.ContextWrapper;
 import android.os.UserManager;
@@ -25,12 +26,14 @@
 
     private UserManager mUserManager;
     private NotificationManager mNotificationManager;
+    private DevicePolicyManager mDevicePolicyManager;
 
     public MockLockSettingsContext(Context base, UserManager userManager,
-            NotificationManager notificationManager) {
+            NotificationManager notificationManager, DevicePolicyManager devicePolicyManager) {
         super(base);
         mUserManager = userManager;
         mNotificationManager = notificationManager;
+        mDevicePolicyManager = devicePolicyManager;
     }
 
     @Override
@@ -39,6 +42,8 @@
             return mUserManager;
         } else if (NOTIFICATION_SERVICE.equals(name)) {
             return mNotificationManager;
+        } else if (DEVICE_POLICY_SERVICE.equals(name)) {
+            return mDevicePolicyManager;
         } else {
             throw new RuntimeException("System service not mocked: " + name);
         }