diff --git a/src/com/android/launcher3/pm/InstallSessionTracker.java b/src/com/android/launcher3/pm/InstallSessionTracker.java
index 24d58f3..c117be4 100644
--- a/src/com/android/launcher3/pm/InstallSessionTracker.java
+++ b/src/com/android/launcher3/pm/InstallSessionTracker.java
@@ -32,7 +32,6 @@
 import androidx.annotation.WorkerThread;
 
 import com.android.launcher3.Flags;
-import com.android.launcher3.Utilities;
 import com.android.launcher3.util.PackageUserKey;
 
 import java.lang.ref.WeakReference;
diff --git a/tests/src/com/android/launcher3/pm/InstallSessionTrackerTest.kt b/tests/src/com/android/launcher3/pm/InstallSessionTrackerTest.kt
new file mode 100644
index 0000000..b531adb
--- /dev/null
+++ b/tests/src/com/android/launcher3/pm/InstallSessionTrackerTest.kt
@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 2024 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.launcher3.pm
+
+import android.content.pm.LauncherApps
+import android.content.pm.PackageInstaller
+import android.os.Build
+import android.os.UserHandle
+import android.platform.test.annotations.EnableFlags
+import android.platform.test.flag.junit.SetFlagsRule
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SdkSuppress
+import androidx.test.filters.SmallTest
+import com.android.launcher3.Flags.FLAG_ENABLE_SUPPORT_FOR_ARCHIVING
+import com.android.launcher3.util.Executors.MODEL_EXECUTOR
+import com.android.launcher3.util.LauncherModelHelper
+import com.android.launcher3.util.PackageUserKey
+import org.junit.After
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.any
+import org.mockito.kotlin.mock
+import org.mockito.kotlin.spy
+import org.mockito.kotlin.verify
+import org.mockito.kotlin.whenever
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class InstallSessionTrackerTest {
+    @get:Rule val setFlagsRule = SetFlagsRule()
+
+    private val mockInstallSessionHelper: InstallSessionHelper = mock()
+    private val mockCallback: InstallSessionTracker.Callback = mock()
+    private val mockPackageInstaller: PackageInstaller = mock()
+
+    private val launcherModelHelper = LauncherModelHelper()
+    private val sandboxContext = launcherModelHelper.sandboxContext
+
+    lateinit var launcherApps: LauncherApps
+    lateinit var installSessionTracker: InstallSessionTracker
+
+    @Before
+    fun setup() {
+        launcherApps = sandboxContext.spyService(LauncherApps::class.java)
+        installSessionTracker =
+            InstallSessionTracker(
+                mockInstallSessionHelper,
+                mockCallback,
+                mockPackageInstaller,
+                launcherApps
+            )
+    }
+
+    @After
+    fun teardown() {
+        launcherModelHelper.destroy()
+    }
+
+    @Test
+    fun `onCreated triggers callbacks for setting up new install session`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedSession =
+            PackageInstaller.SessionInfo().apply {
+                sessionId = expectedSessionId
+                appPackageName = "appPackageName"
+                userId = 0
+            }
+        val expectedPackageKey = PackageUserKey("appPackageName", UserHandle(0))
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        // When
+        installSessionTracker.onCreated(expectedSessionId)
+        // Then
+        verify(mockCallback).onInstallSessionCreated(any())
+        verify(mockCallback).onUpdateSessionDisplay(expectedPackageKey, expectedSession)
+        verify(mockInstallSessionHelper).tryQueuePromiseAppIcon(expectedSession)
+    }
+
+    @Test
+    @EnableFlags(FLAG_ENABLE_SUPPORT_FOR_ARCHIVING)
+    fun `onCreated for unarchival triggers onPackageStateChanged`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedSession =
+            spy(PackageInstaller.SessionInfo()).apply {
+                sessionId = expectedSessionId
+                appPackageName = "appPackageName"
+                userId = 0
+                whenever(isUnarchival).thenReturn(true)
+            }
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        // When
+        installSessionTracker.onCreated(expectedSessionId)
+        // Then
+        verify(mockCallback).onPackageStateChanged(any())
+    }
+
+    @Test
+    fun `onFinished triggers onPackageStateChanged if session found in cache`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedSession =
+            PackageInstaller.SessionInfo().apply {
+                sessionId = expectedSessionId
+                appPackageName = "appPackageName"
+                userId = 0
+            }
+        val expectedPackageKey = PackageUserKey("appPackageName", UserHandle(0))
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        whenever(mockInstallSessionHelper.activeSessions)
+            .thenReturn(hashMapOf(expectedPackageKey to expectedSession))
+        // When
+        installSessionTracker.onFinished(expectedSessionId, /* success */ true)
+        // Then
+        verify(mockCallback).onPackageStateChanged(any())
+    }
+
+    @Test
+    fun `onFinished failure calls onSessionFailure and promise icon removal for existing icon`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedPackage = "appPackageName"
+        val expectedSession =
+            PackageInstaller.SessionInfo().apply {
+                sessionId = expectedSessionId
+                appPackageName = expectedPackage
+                userId = 0
+            }
+        val expectedPackageKey = PackageUserKey(expectedPackage, UserHandle(0))
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        whenever(mockInstallSessionHelper.activeSessions)
+            .thenReturn(hashMapOf(expectedPackageKey to expectedSession))
+        whenever(mockInstallSessionHelper.promiseIconAddedForId(expectedSessionId)).thenReturn(true)
+        // When
+        installSessionTracker.onFinished(expectedSessionId, /* success */ false)
+        // Then
+        verify(mockCallback).onSessionFailure(expectedPackage, expectedPackageKey.mUser)
+        verify(mockInstallSessionHelper).removePromiseIconId(expectedSessionId)
+    }
+
+    @Test
+    fun `onProgressChanged triggers onPackageStateChanged if verified session found`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedSession =
+            PackageInstaller.SessionInfo().apply {
+                sessionId = expectedSessionId
+                appPackageName = "appPackageName"
+                userId = 0
+            }
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        // When
+        installSessionTracker.onProgressChanged(expectedSessionId, /* progress */ 50f)
+        // Then
+        verify(mockCallback).onPackageStateChanged(any())
+    }
+
+    @Test
+    fun `onBadgingChanged triggers session display update and queues promise icon if verified`() {
+        // Given
+        val expectedSessionId = 1
+        val expectedSession =
+            PackageInstaller.SessionInfo().apply {
+                sessionId = expectedSessionId
+                appPackageName = "appPackageName"
+                userId = 0
+            }
+        val expectedPackageKey = PackageUserKey("appPackageName", UserHandle(0))
+        whenever(mockInstallSessionHelper.getVerifiedSessionInfo(expectedSessionId))
+            .thenReturn(expectedSession)
+        // When
+        installSessionTracker.onBadgingChanged(expectedSessionId)
+        // Then
+        verify(mockCallback).onUpdateSessionDisplay(expectedPackageKey, expectedSession)
+        verify(mockInstallSessionHelper).tryQueuePromiseAppIcon(expectedSession)
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = Build.VERSION_CODES.Q)
+    fun `register triggers registerPackageInstallerSessionCallback for versions from Q`() {
+        // Given
+        whenever(
+                launcherApps.registerPackageInstallerSessionCallback(
+                    MODEL_EXECUTOR,
+                    installSessionTracker
+                )
+            )
+            .then { /* no-op */ }
+        // When
+        installSessionTracker.register()
+        // Then
+        verify(launcherApps)
+            .registerPackageInstallerSessionCallback(MODEL_EXECUTOR, installSessionTracker)
+    }
+
+    @Test
+    @SdkSuppress(minSdkVersion = Build.VERSION_CODES.Q)
+    fun `unregister triggers unregisterPackageInstallerSessionCallback for versions from Q`() {
+        // Given
+        whenever(launcherApps.unregisterPackageInstallerSessionCallback(installSessionTracker))
+            .then { /* no-op */ }
+        // When
+        installSessionTracker.unregister()
+        // Then
+        verify(launcherApps).unregisterPackageInstallerSessionCallback(installSessionTracker)
+    }
+}