diff --git a/components/net/image_cache.rs b/components/net/image_cache.rs
index bdc3ef9e83d..4b88fd5755e 100644
--- a/components/net/image_cache.rs
+++ b/components/net/image_cache.rs
@@ -253,6 +253,7 @@ impl LoadKeyGenerator {
     }
 }
 
+#[derive(Debug)]
 enum LoadResult {
     Loaded(Image),
     PlaceholderLoaded(Arc<Image>),
@@ -339,6 +340,7 @@ struct ImageCacheStore {
 impl ImageCacheStore {
     // Change state of a url from pending -> loaded.
     fn complete_load(&mut self, key: LoadKey, mut load_result: LoadResult) {
+        debug!("Completed decoding for {:?}", load_result);
         let pending_load = match self.pending_loads.remove(&key) {
             Some(load) => load,
             None => return,
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index fcb38aa1427..f5043cac0ea 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -76,7 +76,6 @@ use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
 use media::{glplayer_channel, GLPlayerMsg, GLPlayerMsgForward, WindowGLContext};
 use net_traits::image::base::Image;
-use net_traits::image_cache::ImageResponse;
 use net_traits::request::Destination;
 use net_traits::{CoreResourceMsg, FetchChannels, FetchMetadata, FetchResponseListener, Metadata};
 use net_traits::{NetworkError, ResourceFetchTiming, ResourceTimingType};
@@ -1306,25 +1305,22 @@ impl HTMLMediaElement {
     }
 
     /// https://html.spec.whatwg.org/multipage/#poster-frame
-    pub fn process_poster_response(&self, image: ImageResponse) {
+    pub fn process_poster_image_loaded(&self, image: Arc<Image>) {
         if !self.show_poster.get() {
             return;
         }
 
         // Step 6.
-        if let ImageResponse::Loaded(image, _) = image {
-            self.video_renderer
-                .lock()
-                .unwrap()
-                .render_poster_frame(image);
-            self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
-            if pref!(media.testing.enabled) {
-                let window = window_from_node(self);
-                let task_source = window.task_manager().media_element_task_source();
-                task_source.queue_simple_event(self.upcast(), atom!("postershown"), &window);
-            } else {
-                return;
-            }
+        self.video_renderer
+            .lock()
+            .unwrap()
+            .render_poster_frame(image);
+        self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
+
+        if pref!(media.testing.enabled) {
+            let window = window_from_node(self);
+            let task_source = window.task_manager().media_element_task_source();
+            task_source.queue_simple_event(self.upcast(), atom!("postershown"), &window);
         }
     }
 
diff --git a/components/script/dom/htmlvideoelement.rs b/components/script/dom/htmlvideoelement.rs
index 2100b70330d..eb1b35ee07a 100644
--- a/components/script/dom/htmlvideoelement.rs
+++ b/components/script/dom/htmlvideoelement.rs
@@ -109,10 +109,6 @@ impl HTMLVideoElement {
         self.video_height.set(height);
     }
 
-    pub fn allow_load_event(&self) {
-        LoadBlocker::terminate(&mut *self.load_blocker.borrow_mut());
-    }
-
     pub fn get_current_frame_data(&self) -> Option<(Option<ipc::IpcSharedMemory>, Size2D<u32>)> {
         let frame = self.htmlmediaelement.get_current_frame();
         if frame.is_some() {
@@ -293,7 +289,19 @@ impl ImageCacheListener for HTMLVideoElement {
     }
 
     fn process_image_response(&self, response: ImageResponse) {
-        self.htmlmediaelement.process_poster_response(response);
+        match response {
+            ImageResponse::Loaded(image, url) => {
+                debug!("Loaded poster image for video element: {:?}", url);
+                self.htmlmediaelement.process_poster_image_loaded(image);
+                LoadBlocker::terminate(&mut *self.load_blocker.borrow_mut());
+            },
+            ImageResponse::MetadataLoaded(..) => {},
+            ImageResponse::PlaceholderLoaded(..) => unreachable!(),
+            ImageResponse::None => {
+                // A failed load should unblock the document load.
+                LoadBlocker::terminate(&mut *self.load_blocker.borrow_mut());
+            },
+        }
     }
 }
 
@@ -351,7 +359,6 @@ impl FetchResponseListener for PosterFrameFetchContext {
     }
 
     fn process_response_eof(&mut self, response: Result<ResourceFetchTiming, NetworkError>) {
-        self.elem.root().allow_load_event();
         self.image_cache
             .notify_pending_response(self.id, FetchResponseMsg::ProcessResponseEOF(response));
     }
diff --git a/tests/wpt/metadata/css/css-images/object-view-box-fit-contain-video.html.ini b/tests/wpt/metadata/css/css-images/object-view-box-fit-contain-video.html.ini
new file mode 100644
index 00000000000..7431e6e5ae9
--- /dev/null
+++ b/tests/wpt/metadata/css/css-images/object-view-box-fit-contain-video.html.ini
@@ -0,0 +1,2 @@
+[object-view-box-fit-contain-video.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-images/object-view-box-fit-cover-video.html.ini b/tests/wpt/metadata/css/css-images/object-view-box-fit-cover-video.html.ini
new file mode 100644
index 00000000000..bc8e4ad026d
--- /dev/null
+++ b/tests/wpt/metadata/css/css-images/object-view-box-fit-cover-video.html.ini
@@ -0,0 +1,2 @@
+[object-view-box-fit-cover-video.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-images/object-view-box-fit-none-video.html.ini b/tests/wpt/metadata/css/css-images/object-view-box-fit-none-video.html.ini
new file mode 100644
index 00000000000..8dedb9addee
--- /dev/null
+++ b/tests/wpt/metadata/css/css-images/object-view-box-fit-none-video.html.ini
@@ -0,0 +1,2 @@
+[object-view-box-fit-none-video.html]
+  expected: FAIL
diff --git a/tests/wpt/metadata/css/css-images/object-view-box-writing-mode-video.html.ini b/tests/wpt/metadata/css/css-images/object-view-box-writing-mode-video.html.ini
new file mode 100644
index 00000000000..dc30f75ad6f
--- /dev/null
+++ b/tests/wpt/metadata/css/css-images/object-view-box-writing-mode-video.html.ini
@@ -0,0 +1,2 @@
+[object-view-box-writing-mode-video.html]
+  expected: FAIL