diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.cpp b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
index d77d539..e1f844c 100644
--- a/services/inputflinger/tests/FakeInputReaderPolicy.cpp
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.cpp
@@ -32,19 +32,23 @@
 } // namespace
 
 void FakeInputReaderPolicy::assertInputDevicesChanged() {
-    waitForInputDevices([](bool devicesChanged) {
-        if (!devicesChanged) {
-            FAIL() << "Timed out waiting for notifyInputDevicesChanged() to be called.";
-        }
-    });
+    waitForInputDevices(
+            [](bool devicesChanged) {
+                if (!devicesChanged) {
+                    FAIL() << "Timed out waiting for notifyInputDevicesChanged() to be called.";
+                }
+            },
+            ADD_INPUT_DEVICE_TIMEOUT);
 }
 
 void FakeInputReaderPolicy::assertInputDevicesNotChanged() {
-    waitForInputDevices([](bool devicesChanged) {
-        if (devicesChanged) {
-            FAIL() << "Expected notifyInputDevicesChanged() to not be called.";
-        }
-    });
+    waitForInputDevices(
+            [](bool devicesChanged) {
+                if (devicesChanged) {
+                    FAIL() << "Expected notifyInputDevicesChanged() to not be called.";
+                }
+            },
+            INPUT_DEVICES_DIDNT_CHANGE_TIMEOUT);
 }
 
 void FakeInputReaderPolicy::assertStylusGestureNotified(int32_t deviceId) {
@@ -261,13 +265,13 @@
     return "";
 }
 
-void FakeInputReaderPolicy::waitForInputDevices(std::function<void(bool)> processDevicesChanged) {
+void FakeInputReaderPolicy::waitForInputDevices(std::function<void(bool)> processDevicesChanged,
+                                                std::chrono::milliseconds timeout) {
     std::unique_lock<std::mutex> lock(mLock);
     base::ScopedLockAssertion assumeLocked(mLock);
 
     const bool devicesChanged =
-            mDevicesChangedCondition.wait_for(lock,
-                                              ADD_INPUT_DEVICE_TIMEOUT * HW_TIMEOUT_MULTIPLIER,
+            mDevicesChangedCondition.wait_for(lock, timeout * HW_TIMEOUT_MULTIPLIER,
                                               [this]() REQUIRES(mLock) {
                                                   return mInputDevicesChanged;
                                               });
diff --git a/services/inputflinger/tests/FakeInputReaderPolicy.h b/services/inputflinger/tests/FakeInputReaderPolicy.h
index e5ba620..61bb9fc 100644
--- a/services/inputflinger/tests/FakeInputReaderPolicy.h
+++ b/services/inputflinger/tests/FakeInputReaderPolicy.h
@@ -88,7 +88,8 @@
     std::shared_ptr<KeyCharacterMap> getKeyboardLayoutOverlay(
             const InputDeviceIdentifier&, const std::optional<KeyboardLayoutInfo>) override;
     std::string getDeviceAlias(const InputDeviceIdentifier&) override;
-    void waitForInputDevices(std::function<void(bool)> processDevicesChanged);
+    void waitForInputDevices(std::function<void(bool)> processDevicesChanged,
+                             std::chrono::milliseconds timeout);
     void notifyStylusGestureStarted(int32_t deviceId, nsecs_t eventTime) override;
 
     mutable std::mutex mLock;
diff --git a/services/inputflinger/tests/TestConstants.h b/services/inputflinger/tests/TestConstants.h
index 082bbb8..d2337dd 100644
--- a/services/inputflinger/tests/TestConstants.h
+++ b/services/inputflinger/tests/TestConstants.h
@@ -25,7 +25,10 @@
 using std::chrono_literals::operator""ms;
 
 // Timeout for waiting for an input device to be added and processed
-static constexpr std::chrono::duration ADD_INPUT_DEVICE_TIMEOUT = 500ms;
+static constexpr std::chrono::duration ADD_INPUT_DEVICE_TIMEOUT = 5000ms;
+
+// Timeout for asserting that an input device change did not occur
+static constexpr std::chrono::duration INPUT_DEVICES_DIDNT_CHANGE_TIMEOUT = 100ms;
 
 // Timeout for waiting for an expected event
 static constexpr std::chrono::duration WAIT_TIMEOUT = 100ms;