diff --git a/libs/WindowManager/Shell/Android.bp b/libs/WindowManager/Shell/Android.bp
index a12fa5f..e74ea10 100644
--- a/libs/WindowManager/Shell/Android.bp
+++ b/libs/WindowManager/Shell/Android.bp
@@ -205,6 +205,8 @@
     srcs: [
         "multivalentTests/src/**/*.kt",
     ],
+    // TODO(b/323188766): Include BubbleStackViewTest once the robolectric issue is fixed.
+    exclude_srcs: ["multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt"],
     static_libs: [
         "junit",
         "androidx.test.runner",
diff --git a/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt b/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt
new file mode 100644
index 0000000..8989fc5
--- /dev/null
+++ b/libs/WindowManager/Shell/multivalentTests/src/com/android/wm/shell/bubbles/BubbleStackViewTest.kt
@@ -0,0 +1,215 @@
+/*
+ * 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.wm.shell.bubbles
+
+import android.content.Context
+import android.content.Intent
+import android.graphics.Color
+import android.graphics.drawable.Icon
+import android.os.UserHandle
+import android.view.IWindowManager
+import android.view.WindowManager
+import android.view.WindowManagerGlobal
+import androidx.test.annotation.UiThreadTest
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.internal.logging.testing.UiEventLoggerFake
+import com.android.internal.protolog.common.ProtoLog
+import com.android.launcher3.icons.BubbleIconFactory
+import com.android.wm.shell.R
+import com.android.wm.shell.bubbles.Bubbles.SysuiProxy
+import com.android.wm.shell.common.FloatingContentCoordinator
+import com.android.wm.shell.common.ShellExecutor
+import com.android.wm.shell.taskview.TaskView
+import com.android.wm.shell.taskview.TaskViewTaskController
+import com.google.common.truth.Truth.assertThat
+import com.google.common.util.concurrent.MoreExecutors.directExecutor
+import java.util.concurrent.Semaphore
+import java.util.concurrent.TimeUnit
+import java.util.function.Consumer
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.kotlin.mock
+
+/** Unit tests for [BubbleStackView]. */
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class BubbleStackViewTest {
+
+    private val context = ApplicationProvider.getApplicationContext<Context>()
+    private lateinit var positioner: BubblePositioner
+    private lateinit var iconFactory: BubbleIconFactory
+    private lateinit var expandedViewManager: FakeBubbleExpandedViewManager
+    private lateinit var bubbleStackView: BubbleStackView
+    private lateinit var shellExecutor: ShellExecutor
+    private lateinit var windowManager: IWindowManager
+    private lateinit var bubbleTaskViewFactory: BubbleTaskViewFactory
+    private lateinit var bubbleData: BubbleData
+
+    @Before
+    fun setUp() {
+        // Disable protolog tool when running the tests from studio
+        ProtoLog.REQUIRE_PROTOLOGTOOL = false
+        windowManager = WindowManagerGlobal.getWindowManagerService()!!
+        shellExecutor = TestShellExecutor()
+        val windowManager = context.getSystemService(WindowManager::class.java)
+        iconFactory =
+            BubbleIconFactory(
+                context,
+                context.resources.getDimensionPixelSize(R.dimen.bubble_size),
+                context.resources.getDimensionPixelSize(R.dimen.bubble_badge_size),
+                Color.BLACK,
+                context.resources.getDimensionPixelSize(
+                    com.android.internal.R.dimen.importance_ring_stroke_width
+                )
+            )
+        positioner = BubblePositioner(context, windowManager)
+        val bubbleStackViewManager = FakeBubbleStackViewManager()
+        bubbleData =
+            BubbleData(
+                context,
+                BubbleLogger(UiEventLoggerFake()),
+                positioner,
+                BubbleEducationController(context),
+                shellExecutor
+            )
+
+        val sysuiProxy = mock<SysuiProxy>()
+        expandedViewManager = FakeBubbleExpandedViewManager()
+        bubbleTaskViewFactory = FakeBubbleTaskViewFactory()
+        bubbleStackView =
+            BubbleStackView(
+                context,
+                bubbleStackViewManager,
+                positioner,
+                bubbleData,
+                null,
+                FloatingContentCoordinator(),
+                { sysuiProxy },
+                shellExecutor
+            )
+    }
+
+    @UiThreadTest
+    @Test
+    fun addBubble() {
+        val bubble = createAndInflateBubble()
+        bubbleStackView.addBubble(bubble)
+        assertThat(bubbleStackView.bubbleCount).isEqualTo(1)
+    }
+
+    @UiThreadTest
+    @Test
+    fun tapBubbleToExpand() {
+        val bubble = createAndInflateBubble()
+        bubbleStackView.addBubble(bubble)
+        assertThat(bubbleStackView.bubbleCount).isEqualTo(1)
+
+        bubble.iconView!!.performClick()
+        // we're checking the expanded state in BubbleData because that's the source of truth. This
+        // will eventually propagate an update back to the stack view, but setting the entire
+        // pipeline is outside the scope of a unit test.
+        assertThat(bubbleData.isExpanded).isTrue()
+    }
+
+    private fun createAndInflateBubble(): Bubble {
+        val intent = Intent(Intent.ACTION_VIEW).setPackage(context.packageName)
+        val icon = Icon.createWithResource(context.resources, R.drawable.bubble_ic_overflow_button)
+        val bubble = Bubble.createAppBubble(intent, UserHandle(1), icon, directExecutor())
+        bubble.setInflateSynchronously(true)
+        bubbleData.notificationEntryUpdated(bubble, true, false)
+
+        val semaphore = Semaphore(0)
+        val callback: BubbleViewInfoTask.Callback =
+            BubbleViewInfoTask.Callback { semaphore.release() }
+        bubble.inflate(
+            callback,
+            context,
+            expandedViewManager,
+            bubbleTaskViewFactory,
+            positioner,
+            bubbleStackView,
+            null,
+            iconFactory,
+            false
+        )
+
+        assertThat(semaphore.tryAcquire(5, TimeUnit.SECONDS)).isTrue()
+        assertThat(bubble.isInflated).isTrue()
+        return bubble
+    }
+
+    private class FakeBubbleStackViewManager : BubbleStackViewManager {
+
+        override fun onAllBubblesAnimatedOut() {}
+
+        override fun updateWindowFlagsForBackpress(interceptBack: Boolean) {}
+
+        override fun checkNotificationPanelExpandedState(callback: Consumer<Boolean>) {}
+
+        override fun hideCurrentInputMethod() {}
+    }
+
+    private class TestShellExecutor : ShellExecutor {
+
+        override fun execute(runnable: Runnable) {
+            runnable.run()
+        }
+
+        override fun executeDelayed(r: Runnable, delayMillis: Long) {
+            r.run()
+        }
+
+        override fun removeCallbacks(r: Runnable) {}
+
+        override fun hasCallback(r: Runnable): Boolean = false
+    }
+
+    private inner class FakeBubbleTaskViewFactory : BubbleTaskViewFactory {
+        override fun create(): BubbleTaskView {
+            val taskViewTaskController = mock<TaskViewTaskController>()
+            val taskView = TaskView(context, taskViewTaskController)
+            return BubbleTaskView(taskView, shellExecutor)
+        }
+    }
+
+    private inner class FakeBubbleExpandedViewManager : BubbleExpandedViewManager {
+
+        override val overflowBubbles: List<Bubble>
+            get() = emptyList()
+
+        override fun setOverflowListener(listener: BubbleData.Listener) {}
+
+        override fun collapseStack() {}
+
+        override fun updateWindowFlagsForBackpress(intercept: Boolean) {}
+
+        override fun promoteBubbleFromOverflow(bubble: Bubble) {}
+
+        override fun removeBubble(key: String, reason: Int) {}
+
+        override fun dismissBubble(bubble: Bubble, reason: Int) {}
+
+        override fun setAppBubbleTaskId(key: String, taskId: Int) {}
+
+        override fun isStackExpanded(): Boolean = false
+
+        override fun isShowingAsBubbleBar(): Boolean = false
+    }
+}
diff --git a/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml b/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
index 47a116b..2ef425c 100644
--- a/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
+++ b/libs/WindowManager/Shell/tests/unittest/AndroidManifest.xml
@@ -21,6 +21,7 @@
 
     <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
     <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.MANAGE_ACTIVITY_TASKS"/>
 
     <application android:debuggable="true" android:largeHeap="true">
         <uses-library android:name="android.test.mock" />