diff --git a/e2e-tests/editor.spec.ts b/e2e-tests/editor.spec.ts
index 202781d5b..a95597e45 100644
--- a/e2e-tests/editor.spec.ts
+++ b/e2e-tests/editor.spec.ts
@@ -29,6 +29,41 @@ test('hashtag and quare brackets in same line #4178', async ({ page }) => {
   )
 })
 
+test('hashtag search page auto-complete', async ({ page, block }) => {
+  await createRandomPage(page)
+
+  await block.activeEditing(0)
+
+  await page.type('textarea >> nth=0', '#', { delay: 100 })
+  await page.waitForSelector('text="Search for a page"', { state: 'visible' })
+  await page.keyboard.press('Escape', { delay: 50 })
+
+  await block.mustFill("done")
+
+  await enterNextBlock(page)
+  await page.type('textarea >> nth=0', 'Some#', { delay: 100 })
+  await page.waitForSelector('text="Search for a page"', { state: 'visible' })
+  await page.keyboard.press('Escape', { delay: 50 })
+
+  await block.mustFill("done")
+
+  await enterNextBlock(page)
+  await page.type('textarea >> nth=0', 'Some #', { delay: 100 })
+  await page.waitForSelector('text="Search for a page"', { state: 'visible' })
+  await page.keyboard.press('Escape', { delay: 50 })
+
+  await block.mustFill("done")
+
+  await enterNextBlock(page)
+  await page.type('textarea >> nth=0', 'SomeInner', { delay: 100 })
+  for (let i = 0; i < 5; i++) {
+    await page.press('textarea >> nth=0', 'ArrowLeft', { delay: 50 })
+  }
+  await page.type('textarea >> nth=0', '#', { delay: 50 })
+  await page.waitForSelector('text="Search for a page"', { state: 'visible' })
+  await page.keyboard.press('Escape', { delay: 50 })
+})
+
 test('disappeared children #4814', async ({ page, block }) => {
   await createRandomPage(page)
 
diff --git a/src/test/frontend/handler/editor_test.cljs b/src/test/frontend/handler/editor_test.cljs
index 6e06574c8..aada7db90 100644
--- a/src/test/frontend/handler/editor_test.cljs
+++ b/src/test/frontend/handler/editor_test.cljs
@@ -45,56 +45,6 @@
           "[[https://github.com/logseq/logseq][logseq]] is #awesome :)" 0 editor/url-regex))
       "Finds url in org link correctly"))
 
-(defn- keydown-not-matched-handler
-  "Spied version of editor/keydown-not-matched-handler"
-  [{:keys [value key format cursor-pos] :or {key "#" format "markdown"}}]
-  ;; Reset editor action in order to test result
-  (state/set-editor-action! nil)
-  ;; Default cursor pos to end of line
-  (let [pos (or cursor-pos (count value))]
-    (with-redefs [util/get-selected-text (constantly false)
-                  state/get-input (constantly #js {:value value})
-                  cursor/pos (constantly pos)
-                  cursor/get-caret-pos (constantly {})]
-      ((editor/keydown-not-matched-handler format)
-       #js {:key key} nil))))
-
-(deftest keydown-not-matched-handler-test
-  (testing "Tag autocompletion"
-    (keydown-not-matched-handler {:value "Some words "})
-    (is (= :page-search-hashtag (state/get-editor-action))
-        "Autocomplete tags if starting new word")
-
-    (keydown-not-matched-handler {:value ""})
-    (is (= :page-search-hashtag (state/get-editor-action))
-        "Autocomplete tags if starting a new line")
-
-    (keydown-not-matched-handler {:value "Some words" :cursor-pos 0})
-    (is (= :page-search-hashtag (state/get-editor-action))
-        "Autocomplete tags if there is are existing words and cursor is at start of line")
-
-    (keydown-not-matched-handler {:value "Some words" :cursor-pos 5})
-    (is (= :page-search-hashtag (state/get-editor-action))
-        "Autocomplete tags if there is whitespace before cursor")
-
-    (keydown-not-matched-handler {:value "String"})
-    (is (= nil (state/get-editor-action))
-        "Don't autocomplete tags if at end of word")
-
-    (keydown-not-matched-handler {:value "String" :cursor-pos 3})
-    (is (= nil (state/get-editor-action))
-        "Don't autocomplete tags if in middle of word")
-
-    (keydown-not-matched-handler {:value "`One backtick "})
-    (is (= :page-search-hashtag (state/get-editor-action))
-        "Autocomplete tags if only one backtick")
-
-    (keydown-not-matched-handler {:value "`String#gsub and String`"
-                                  :cursor-pos (dec (count "`String#gsub and String`"))})
-    (is (= nil (state/get-editor-action))
-        "Don't autocomplete tags within backticks")
-    (state/set-editor-action! nil)))
-
 (defn- set-marker
   "Spied version of editor/set-marker"
   [marker content format]