diff --git a/nearby/tests/cts/fastpair/src/android/nearby/cts/NearbyDeviceParcelableTest.java b/nearby/tests/cts/fastpair/src/android/nearby/cts/NearbyDeviceParcelableTest.java
index 6fb2ec9..cead741 100644
--- a/nearby/tests/cts/fastpair/src/android/nearby/cts/NearbyDeviceParcelableTest.java
+++ b/nearby/tests/cts/fastpair/src/android/nearby/cts/NearbyDeviceParcelableTest.java
@@ -42,8 +42,11 @@
 
     private static final String BLUETOOTH_ADDRESS = "00:11:22:33:FF:EE";
     private static final byte[] SCAN_DATA = new byte[] {1, 2, 3, 4};
+    private static final byte[] SALT = new byte[] {1, 2, 3, 4};
     private static final String FAST_PAIR_MODEL_ID = "1234";
     private static final int RSSI = -60;
+    private static final int TX_POWER = -10;
+    private static final int ACTION = 1;
 
     private NearbyDeviceParcelable.Builder mBuilder;
 
@@ -66,11 +69,11 @@
     public void testToString() {
         PublicCredential publicCredential =
                 new PublicCredential.Builder(
-                                new byte[] {1},
-                                new byte[] {2},
-                                new byte[] {3},
-                                new byte[] {4},
-                                new byte[] {5})
+                        new byte[] {1},
+                        new byte[] {2},
+                        new byte[] {3},
+                        new byte[] {4},
+                        new byte[] {5})
                         .build();
         NearbyDeviceParcelable nearbyDeviceParcelable =
                 mBuilder.setFastPairModelId(null)
@@ -89,20 +92,36 @@
 
     @Test
     @SdkSuppress(minSdkVersion = 33, codeName = "T")
-    public void test_defaultNullFields() {
+    public void testNullFields() {
+        PublicCredential publicCredential =
+                new PublicCredential.Builder(
+                        new byte[] {1},
+                        new byte[] {2},
+                        new byte[] {3},
+                        new byte[] {4},
+                        new byte[] {5})
+                        .build();
         NearbyDeviceParcelable nearbyDeviceParcelable =
                 new NearbyDeviceParcelable.Builder()
                         .setMedium(NearbyDevice.Medium.BLE)
+                        .setPublicCredential(publicCredential)
+                        .setAction(ACTION)
                         .setRssi(RSSI)
+                        .setTxPower(TX_POWER)
+                        .setSalt(SALT)
                         .build();
 
         assertThat(nearbyDeviceParcelable.getName()).isNull();
         assertThat(nearbyDeviceParcelable.getFastPairModelId()).isNull();
         assertThat(nearbyDeviceParcelable.getBluetoothAddress()).isNull();
         assertThat(nearbyDeviceParcelable.getData()).isNull();
-
         assertThat(nearbyDeviceParcelable.getMedium()).isEqualTo(NearbyDevice.Medium.BLE);
         assertThat(nearbyDeviceParcelable.getRssi()).isEqualTo(RSSI);
+        assertThat(nearbyDeviceParcelable.getAction()).isEqualTo(ACTION);
+        assertThat(nearbyDeviceParcelable.getPublicCredential()).isEqualTo(publicCredential);
+        assertThat(nearbyDeviceParcelable.getSalt()).isEqualTo(SALT);
+        assertThat(nearbyDeviceParcelable.getScanType()).isEqualTo(SCAN_TYPE_NEARBY_PRESENCE);
+        assertThat(nearbyDeviceParcelable.getTxPower()).isEqualTo(TX_POWER);
     }
 
     @Test
@@ -142,7 +161,6 @@
     @SdkSuppress(minSdkVersion = 33, codeName = "T")
     public void testWriteParcel_nullBluetoothAddress() {
         NearbyDeviceParcelable nearbyDeviceParcelable = mBuilder.setBluetoothAddress(null).build();
-
         Parcel parcel = Parcel.obtain();
         nearbyDeviceParcelable.writeToParcel(parcel, 0);
         parcel.setDataPosition(0);
@@ -152,4 +170,28 @@
 
         assertThat(actualNearbyDevice.getBluetoothAddress()).isNull();
     }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 33, codeName = "T")
+    public void describeContents() {
+        NearbyDeviceParcelable nearbyDeviceParcelable = mBuilder.setBluetoothAddress(null).build();
+        assertThat(nearbyDeviceParcelable.describeContents()).isEqualTo(0);
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = 33, codeName = "T")
+    public void testEqual() {
+        NearbyDeviceParcelable nearbyDeviceParcelable1 = mBuilder.setBluetoothAddress(null).build();
+        NearbyDeviceParcelable nearbyDeviceParcelable2 = mBuilder.setBluetoothAddress(null).build();
+        assertThat(nearbyDeviceParcelable1.equals(nearbyDeviceParcelable2)).isTrue();
+        assertThat(nearbyDeviceParcelable1.hashCode())
+                .isEqualTo(nearbyDeviceParcelable2.hashCode());
+    }
+
+    @Test
+    public void testCreatorNewArray() {
+        NearbyDeviceParcelable[] nearbyDeviceParcelables =
+                NearbyDeviceParcelable.CREATOR.newArray(2);
+        assertThat(nearbyDeviceParcelables.length).isEqualTo(2);
+    }
 }
diff --git a/nearby/tests/unit/src/com/android/server/nearby/fastpair/halfsheet/FastPairHalfSheetManagerTest.java b/nearby/tests/unit/src/com/android/server/nearby/fastpair/halfsheet/FastPairHalfSheetManagerTest.java
index 58e4c47..b51a295 100644
--- a/nearby/tests/unit/src/com/android/server/nearby/fastpair/halfsheet/FastPairHalfSheetManagerTest.java
+++ b/nearby/tests/unit/src/com/android/server/nearby/fastpair/halfsheet/FastPairHalfSheetManagerTest.java
@@ -16,6 +16,8 @@
 
 package com.android.server.nearby.fastpair.halfsheet;
 
+import static com.google.common.truth.Truth.assertThat;
+
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.eq;
@@ -25,6 +27,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
@@ -32,6 +35,8 @@
 import android.content.pm.ResolveInfo;
 import android.os.UserHandle;
 
+import androidx.test.platform.app.InstrumentationRegistry;
+
 import com.android.server.nearby.common.locator.Locator;
 import com.android.server.nearby.common.locator.LocatorContextWrapper;
 import com.android.server.nearby.fastpair.FastPairController;
@@ -50,13 +55,13 @@
 public class FastPairHalfSheetManagerTest {
     private static final String BLEADDRESS = "11:22:44:66";
     private static final String NAME = "device_name";
+    private static final int PASSKEY = 1234;
     private FastPairHalfSheetManager mFastPairHalfSheetManager;
     private Cache.ScanFastPairStoreItem mScanFastPairStoreItem;
+    @Mock private Context mContext;
     @Mock
     LocatorContextWrapper mContextWrapper;
     @Mock
-    ResolveInfo mResolveInfo;
-    @Mock
     PackageManager mPackageManager;
     @Mock
     Locator mLocator;
@@ -66,7 +71,8 @@
     @Before
     public void setup() {
         MockitoAnnotations.initMocks(this);
-
+        when(mContext.getContentResolver()).thenReturn(
+                InstrumentationRegistry.getInstrumentation().getContext().getContentResolver());
         mScanFastPairStoreItem = Cache.ScanFastPairStoreItem.newBuilder()
                 .setAddress(BLEADDRESS)
                 .setDeviceName(NAME)
@@ -133,4 +139,24 @@
         verify(mContextWrapper, never())
                 .startActivityAsUser(intentArgumentCaptor.capture(), eq(UserHandle.CURRENT));
     }
+
+    @Test
+    public void getHalfSheetForegroundState() {
+        mFastPairHalfSheetManager =
+                new FastPairHalfSheetManager(mContextWrapper);
+        assertThat(mFastPairHalfSheetManager.getHalfSheetForegroundState()).isTrue();
+    }
+
+    @Test
+    public void testEmptyMethods() {
+        mFastPairHalfSheetManager =
+                new FastPairHalfSheetManager(mContextWrapper);
+        mFastPairHalfSheetManager.destroyBluetoothPairController();
+        mFastPairHalfSheetManager.disableDismissRunnable();
+        mFastPairHalfSheetManager.notifyPairingProcessDone(true, BLEADDRESS, null);
+        mFastPairHalfSheetManager.showPairingFailed();
+        mFastPairHalfSheetManager.showPairingHalfSheet(null);
+        mFastPairHalfSheetManager.showPairingSuccessHalfSheet(BLEADDRESS);
+        mFastPairHalfSheetManager.showPasskeyConfirmation(null, PASSKEY);
+    }
 }
diff --git a/nearby/tests/unit/src/com/android/server/nearby/fastpair/notification/FastPairNotificationManagerTest.java b/nearby/tests/unit/src/com/android/server/nearby/fastpair/notification/FastPairNotificationManagerTest.java
new file mode 100644
index 0000000..4fb6b37
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/fastpair/notification/FastPairNotificationManagerTest.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.nearby.fastpair.notification;
+
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import com.android.server.nearby.common.locator.LocatorContextWrapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+public class FastPairNotificationManagerTest {
+
+    @Mock private Context mContext;
+    private static final boolean USE_LARGE_ICON = true;
+    private static final int NOTIFICATION_ID = 1;
+    private static final String COMPANION_APP = "companionApp";
+    private static final int BATTERY_LEVEL = 1;
+    private static final String DEVICE_NAME = "deviceName";
+    private static final String ADDRESS = "address";
+    private FastPairNotificationManager mFastPairNotificationManager;
+    private LocatorContextWrapper mLocatorContextWrapper;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mLocatorContextWrapper = new LocatorContextWrapper(mContext);
+        when(mContext.getContentResolver()).thenReturn(
+                InstrumentationRegistry.getInstrumentation().getContext().getContentResolver());
+        mFastPairNotificationManager =
+                new FastPairNotificationManager(mLocatorContextWrapper, null,
+                        USE_LARGE_ICON, NOTIFICATION_ID);
+    }
+
+    @Test
+    public void  notifyPairingProcessDone() {
+        mFastPairNotificationManager.notifyPairingProcessDone(true, true,
+                "privateAddress", "publicAddress");
+    }
+
+    @Test
+    public void  showConnectingNotification() {
+        mFastPairNotificationManager.showConnectingNotification();
+    }
+
+    @Test
+    public void   showPairingFailedNotification() {
+        mFastPairNotificationManager.showPairingFailedNotification(new byte[]{1});
+    }
+
+    @Test
+    public void  showPairingSucceededNotification() {
+        mFastPairNotificationManager.showPairingSucceededNotification(COMPANION_APP,
+                BATTERY_LEVEL, DEVICE_NAME, ADDRESS);
+    }
+}
diff --git a/nearby/tests/unit/src/com/android/server/nearby/presence/FastAdvertisementTest.java b/nearby/tests/unit/src/com/android/server/nearby/presence/FastAdvertisementTest.java
index 5e0ccbe..8e3e068 100644
--- a/nearby/tests/unit/src/com/android/server/nearby/presence/FastAdvertisementTest.java
+++ b/nearby/tests/unit/src/com/android/server/nearby/presence/FastAdvertisementTest.java
@@ -75,6 +75,15 @@
         assertThat(originalAdvertisement.getVersion()).isEqualTo(
                 BroadcastRequest.PRESENCE_VERSION_V0);
         assertThat(originalAdvertisement.getSalt()).isEqualTo(SALT);
+        assertThat(originalAdvertisement.getTxPower()).isEqualTo(TX_POWER);
+        assertThat(originalAdvertisement.toString())
+                .isEqualTo("FastAdvertisement:<VERSION: 0, length: 19,"
+                        + " ltvFieldCount: 4,"
+                        + " identityType: 1,"
+                        + " identity: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],"
+                        + " salt: [2, 3],"
+                        + " actions: [123],"
+                        + " txPower: 4");
     }
 
     @Test
diff --git a/nearby/tests/unit/src/com/android/server/nearby/util/EnvironmentTest.java b/nearby/tests/unit/src/com/android/server/nearby/util/EnvironmentTest.java
new file mode 100644
index 0000000..e167cf4
--- /dev/null
+++ b/nearby/tests/unit/src/com/android/server/nearby/util/EnvironmentTest.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.nearby.util;
+
+import org.junit.Test;
+
+public class EnvironmentTest {
+
+    @Test
+    public void getNearbyDirectory() {
+        Environment.getNearbyDirectory();
+        Environment.getNearbyDirectory(1);
+    }
+}