diff --git a/test/integration/root_overview_test.rb b/test/integration/root_overview_test.rb
index 3103b8ad7..8ceb5800e 100644
--- a/test/integration/root_overview_test.rb
+++ b/test/integration/root_overview_test.rb
@@ -25,4 +25,282 @@ class RootOverviewTest < IntegrationTest
     assert_content("21 document(s)")
     assert_no_content("Guides and Gals")
   end
+
+  should "filter by assigned user" do
+    alice = FactoryBot.create(:user, :govuk_editor, name: "Alice", uid: "alice")
+    bob     = FactoryBot.create(:user, :govuk_editor, name: "Bob", uid: "bob")
+    charlie = FactoryBot.create(:user, :govuk_editor, name: "Charlie", uid: "charlie")
+
+    guide_edition_x = FactoryBot.create(:guide_edition, title: "XXX", slug: "xxx")
+    guide_edition_y = FactoryBot.create(:guide_edition, title: "YYY", slug: "yyy")
+    FactoryBot.create(:guide_edition, title: "ZZZ", slug: "zzz")
+
+    bob.assign(guide_edition_x, alice)
+    bob.assign(guide_edition_y, charlie)
+
+    visit "/"
+
+    filter_by_user("All")
+
+    assert page.has_content?("XXX")
+    assert page.has_content?("YYY")
+    assert page.has_content?("ZZZ")
+
+    filter_by_user("Charlie")
+
+    assert page.has_no_content?("XXX")
+    assert page.has_content?("YYY")
+    assert page.has_no_content?("ZZZ")
+  end
+
+  should "filter by title content" do
+    FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(:guide_edition, title: "XXX")
+    FactoryBot.create(:guide_edition, title: "YYY")
+
+    visit "/"
+    filter_by_user("All")
+
+    filter_by_content("xXx")
+
+    assert page.has_content?("XXX")
+    assert page.has_no_content?("YYY")
+  end
+
+  should "not lose the active section when filtering by title content" do
+    FactoryBot.create(:user, :govuk_editor)
+
+    visit "/"
+    filter_by_status("Amends needed")
+    filter_by_content("xXx")
+
+    assert page.has_css?(".publications-filter input[value='amends_needed'][checked]")
+  end
+
+  should "filter by content type" do
+    FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(:guide_edition, title: "Draft guide")
+    FactoryBot.create(:transaction_edition, title: "Draft transaction")
+    FactoryBot.create(:guide_edition, title: "Amends needed guide", state: "amends_needed")
+    FactoryBot.create(:transaction_edition, title: "Amends needed transaction", state: "amends_needed")
+
+    visit "/"
+
+    filter_by_user("All")
+
+    assert page.has_content?("Draft guide")
+    assert page.has_content?("Draft transaction")
+
+    filter_by_content_type("Guide")
+
+    assert page.has_content?("Draft guide")
+    assert page.has_no_content?("Draft transaction")
+
+    filter_by_status("Amends needed")
+
+    assert page.has_no_content?("Draft guide")
+    assert page.has_no_content?("Draft transaction")
+    assert page.has_content?("Amends needed guide")
+    assert page.has_no_content?("Amends needed transaction")
+  end
+
+  should "not break archived view when invalid sibling_in_progress" do
+    FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(:guide_edition, title: "XXX", state: "archived", sibling_in_progress: 2)
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("Archived")
+
+    assert page.has_content?("XXX")
+  end
+
+  should "not show disabled users in 'Assignee' select box" do
+    disabled_user = FactoryBot.create(:disabled_user)
+
+    visit "/"
+    select_box = find_field("Assigned to")
+    assert page.has_no_xpath?(select_box.path + "/option[text() = '#{disabled_user.name}']")
+  end
+
+  should "display publications in review correctly ordered" do
+    FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(
+      :guide_edition,
+      title: "XXX",
+      slug: "xxx",
+      state: "in_review",
+      review_requested_at: 4.days.ago,
+    )
+    FactoryBot.create(
+      :guide_edition,
+      title: "YYY",
+      slug: "yyy",
+      state: "in_review",
+      review_requested_at: 2.days.ago,
+    )
+    FactoryBot.create(
+      :guide_edition,
+      title: "ZZZ",
+      slug: "zzz",
+      state: "in_review",
+      review_requested_at: 20.minutes.ago,
+    )
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+
+    find(".publications-table tr:nth-child(1) details").click
+    assert page.has_css?(".publications-table tr:nth-child(1) details .govuk-summary-list__row:nth-child(3) .govuk-summary-list__value", text: "20 minutes")
+
+    find(".publications-table tr:nth-child(2) details").click
+    assert page.has_css?(".publications-table tr:nth-child(2) details .govuk-summary-list__row:nth-child(3) .govuk-summary-list__value", text: "2 days")
+
+    find(".publications-table tr:nth-child(3) details").click
+    assert page.has_css?(".publications-table tr:nth-child(3) details .govuk-summary-list__row:nth-child(3) .govuk-summary-list__value", text: "4 days")
+  end
+
+  should "allow a user to claim 2i" do
+    stub_linkables
+    stub_holidays_used_by_fact_check
+
+    user = FactoryBot.create(:user, :govuk_editor)
+    assignee = FactoryBot.create(:user, :govuk_editor)
+    edition = FactoryBot.create(
+      :guide_edition,
+      title: "XXX",
+      state: "in_review",
+      review_requested_at: Time.zone.now,
+      assigned_to: assignee,
+    )
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    within(".publications-table tr:first-child details .govuk-summary-list__row:nth-child(4) .govuk-summary-list__value") do
+      find_button("Claim 2i").click
+    end
+
+    assert edition_url(edition), current_url
+    assert page.has_content?("You are the reviewer of this guide.")
+    assert page.has_select?("Reviewer", selected: user.name)
+    assert page.has_select?("Assigned to", selected: assignee.name)
+  end
+
+  should "prevent the current user from claiming 2i when the publication is already claimed and allow the user to claim 2i when the publication is not claimed for 2i" do
+    stub_linkables
+    stub_holidays_used_by_fact_check
+
+    FactoryBot.create(:user, :govuk_editor)
+
+    assignee = FactoryBot.create(:user, :govuk_editor)
+    another_user = FactoryBot.create(:user, :govuk_editor, name: "Another McPerson")
+    edition = FactoryBot.create(
+      :guide_edition,
+      title: "XXX",
+      state: "in_review",
+      review_requested_at: Time.zone.now,
+      assigned_to: assignee,
+    )
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    edition.reviewer = another_user.name
+    edition.save!
+
+    within(".publications-table tr:first-child details .govuk-summary-list__row:nth-child(4) .govuk-summary-list__value") do
+      find_button("Claim 2i").click
+    end
+
+    assert edition_url(edition), current_url
+    assert page.has_content?("Another McPerson has already claimed this 2i")
+    assert page.has_select?("Reviewer", selected: another_user.name)
+    assert page.has_select?("Assigned to", selected: assignee.name)
+
+    select("", from: "Reviewer")
+    click_on "Save"
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    within(".publications-table tr:first-child details .govuk-summary-list__row:nth-child(4) .govuk-summary-list__value") do
+      find_button("Claim 2i").click
+    end
+
+    assert page.has_content?("You are the reviewer of this guide.")
+  end
+
+  should "prevent the assignee claiming 2i" do
+    user = FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(
+      :guide_edition,
+      title: "XXX",
+      state: "in_review",
+      review_requested_at: Time.zone.now,
+      assigned_to: user,
+    )
+
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    assert page.has_no_button?("Claim 2i")
+  end
+
+  should "allow Welsh editors to see claim 2i button in Welsh editions" do
+    stub_linkables
+    stub_holidays_used_by_fact_check
+
+    FactoryBot.create(:guide_edition, :in_review, :welsh)
+    welsh_editor = FactoryBot.create(:user, :welsh_editor)
+
+    login_as(welsh_editor)
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    assert page.has_button?("Claim 2i")
+  end
+
+  should "not allow Welsh editors to see claim 2i button in non-Welsh editions" do
+    stub_linkables
+    stub_holidays_used_by_fact_check
+
+    FactoryBot.create(:guide_edition, :in_review, panopticon_id: FactoryBot.create(:artefact).id)
+    welsh_editor = FactoryBot.create(:user, :welsh_editor)
+
+    login_as(welsh_editor)
+    visit "/"
+    filter_by_user("All")
+    filter_by_status("In review")
+    find(".publications-table tr:first-child details").click
+
+    assert_not page.has_button?("Claim 2i")
+  end
+
+  should "not render popular links edition" do
+    FactoryBot.create(:user, :govuk_editor)
+    FactoryBot.create(:guide_edition, title: "Draft guide")
+    FactoryBot.create(:transaction_edition, title: "Draft transaction")
+    FactoryBot.create(:popular_links, title: "Popular links edition")
+
+    visit "/"
+
+    filter_by_user("All")
+
+    assert page.has_content?("Draft guide")
+    assert page.has_content?("Draft transaction")
+    assert page.has_content?("Draft guide")
+    assert page.has_no_content?("Popular links edition")
+  end
 end
diff --git a/test/integration_test_helper.rb b/test/integration_test_helper.rb
index aa2aca3ee..aa2eda8ff 100644
--- a/test/integration_test_helper.rb
+++ b/test/integration_test_helper.rb
@@ -29,6 +29,39 @@ def login_as(user)
     GDS::SSO.test_user = user
     super(user)
   end
+
+  def filter_by_user(option, from: "Assigned to")
+    within ".publications-filter form" do
+      select(option, from:)
+      click_on "Update filter"
+    end
+  end
+
+  def filter_by_content(substring)
+    within ".publications-filter form" do
+      fill_in "Title", with: substring
+      click_on "Update filter"
+    end
+  end
+
+  def filter_by_status(option)
+    within ".publications-filter form" do
+      all("input[type=checkbox]").each do |checkbox|
+        if checkbox.checked?
+          checkbox.click
+        end
+      end
+      check(option)
+      click_on "Update filter"
+    end
+  end
+
+  def filter_by_content_type(option, from: "Content type")
+    within ".publications-filter form" do
+      select(option, from:)
+      click_on "Update filter"
+    end
+  end
 end
 
 class JavascriptIntegrationTest < IntegrationTest