diff --git a/app/src/androidTest/java/org/mozilla/reference/browser/ui/AddonsTest.kt b/app/src/androidTest/java/org/mozilla/reference/browser/ui/AddonsTest.kt
index 9a44dd933..29948cdd3 100644
--- a/app/src/androidTest/java/org/mozilla/reference/browser/ui/AddonsTest.kt
+++ b/app/src/androidTest/java/org/mozilla/reference/browser/ui/AddonsTest.kt
@@ -7,7 +7,6 @@ package org.mozilla.reference.browser.ui
 import mockwebserver3.MockWebServer
 import org.junit.After
 import org.junit.Before
-import org.junit.Ignore
 import org.junit.Rule
 import org.junit.Test
 import org.mozilla.reference.browser.helpers.AndroidAssetDispatcher
@@ -61,7 +60,6 @@ class AddonsTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/reference-browser/issues/4335")
     @Test
     fun installAddonTest() {
         val addonName = "uBlock Origin"
@@ -77,7 +75,6 @@ class AddonsTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/reference-browser/issues/4335")
     @Test
     fun verifyAddonElementsTest() {
         val addonName = "uBlock Origin"
@@ -95,7 +92,6 @@ class AddonsTest {
         }
     }
 
-    @Ignore("Failing, see: https://github.com/mozilla-mobile/reference-browser/issues/4335")
     @Test
     fun removeAddonTest() {
         val addonName = "uBlock Origin"
diff --git a/app/src/androidTest/java/org/mozilla/reference/browser/ui/robots/AddonsManagerRobot.kt b/app/src/androidTest/java/org/mozilla/reference/browser/ui/robots/AddonsManagerRobot.kt
index 9602fdbc1..c0e487ffc 100644
--- a/app/src/androidTest/java/org/mozilla/reference/browser/ui/robots/AddonsManagerRobot.kt
+++ b/app/src/androidTest/java/org/mozilla/reference/browser/ui/robots/AddonsManagerRobot.kt
@@ -177,15 +177,14 @@ class AddonsManagerRobot {
     }
 
     private fun allowInstallAddonButton() {
-        assertTrue(mDevice.findObject(UiSelector().text("Add")).waitForExists(waitingTime))
-
-        onView(
-            allOf(
-                withId(addonsR.id.allow_button),
-                withText(addonsR.string.mozac_feature_addons_permissions_dialog_add),
-            ),
-        ).check(matches(isCompletelyDisplayed()))
-            .perform(click())
+        // The permissions dialog disables the "Add" button for ~1s as
+        // clickjacking protection. Wait until it becomes enabled.
+        val allowButton = mDevice.wait(
+            Until.findObject(By.res("$packageName:id/allow_button").enabled(true)),
+            waitingTime,
+        )
+        assertTrue("Allow button did not become enabled", allowButton != null)
+        allowButton.click()
     }
 
     private fun assertAddonDownloadCompletedPrompt(addonName: String) {