Test the user's point of view in moderation specs

We were checking what happens in the database, but what's important is
what users experience after hiding content or blocking authors. Besides,
accessing the database in tests after the browser has started might lead
to database inconsistencies.

spec/system/moderation/budget_investments_spec.rb

@@ -68,9 +68,13 @@ describe "Moderate budget investments" do
 
           expect(page).not_to have_css("#investment_#{investment.id}")
 
-          investment.reload
+          click_link "Block users"
+          fill_in "email or name of user", with: investment.author.email
+          click_button "Search"
 
-          expect(investment.author).not_to be_hidden
+          within "tr", text: investment.author.name do
+            expect(page).to have_link "Block"
+          end
         end
 
         scenario "Block the author" do
@@ -78,9 +82,13 @@ describe "Moderate budget investments" do
 
           expect(page).not_to have_css("#investment_#{investment.id}")
 
-          investment.reload
+          click_link "Block users"
+          fill_in "email or name of user", with: investment.author.email
+          click_button "Search"
 
-          expect(investment.author).to be_hidden
+          within "tr", text: investment.author.name do
+            expect(page).to have_content "Blocked"
+          end
         end
 
         scenario "Ignore the investment", :no_js do

spec/system/moderation/comments_spec.rb

@@ -87,16 +87,28 @@ describe "Moderate comments" do
           accept_confirm { click_button "Hide comments" }
 
           expect(page).not_to have_css("#comment_#{comment.id}")
-          expect(comment.reload).to be_hidden
-          expect(comment.user).not_to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: comment.user.email
+          click_button "Search"
+
+          within "tr", text: comment.user.name do
+            expect(page).to have_link "Block"
+          end
         end
 
         scenario "Block the user" do
           accept_confirm { click_button "Block authors" }
 
           expect(page).not_to have_css("#comment_#{comment.id}")
-          expect(comment.reload).to be_hidden
-          expect(comment.user).to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: comment.user.email
+          click_button "Search"
+
+          within "tr", text: comment.user.name do
+            expect(page).to have_content "Blocked"
+          end
         end
 
         scenario "Ignore the comment", :no_js do

spec/system/moderation/debates_spec.rb

@@ -60,16 +60,28 @@ describe "Moderate debates" do
           accept_confirm { click_button "Hide debates" }
 
           expect(page).not_to have_css("#debate_#{debate.id}")
-          expect(debate.reload).to be_hidden
-          expect(debate.author).not_to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: debate.author.email
+          click_button "Search"
+
+          within "tr", text: debate.author.name do
+            expect(page).to have_link "Block"
+          end
         end
 
         scenario "Block the author" do
           accept_confirm { click_button "Block authors" }
 
           expect(page).not_to have_css("#debate_#{debate.id}")
-          expect(debate.reload).to be_hidden
-          expect(debate.author).to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: debate.author.email
+          click_button "Search"
+
+          within "tr", text: debate.author.name do
+            expect(page).to have_content "Blocked"
+          end
         end
 
         scenario "Ignore the debate", :no_js do

spec/system/moderation/proposal_notifications_spec.rb

@@ -64,8 +64,14 @@ describe "Moderate proposal notifications" do
           accept_confirm { click_button "Hide proposals" }
 
           expect(page).not_to have_css("#proposal_notification_#{proposal_notification.id}")
-          expect(proposal_notification.reload).to be_hidden
-          expect(proposal_notification.author).not_to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: proposal_notification.author.email
+          click_button "Search"
+
+          within "tr", text: proposal_notification.author.name do
+            expect(page).to have_link "Block"
+          end
         end
 
         scenario "Block the author" do
@@ -75,8 +81,14 @@ describe "Moderate proposal notifications" do
           accept_confirm { click_button "Block authors" }
 
           expect(page).not_to have_css("#proposal_notification_#{proposal_notification.id}")
-          expect(proposal_notification.reload).to be_hidden
-          expect(author.reload).to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: proposal_notification.author.email
+          click_button "Search"
+
+          within "tr", text: proposal_notification.author.name do
+            expect(page).to have_content "Blocked"
+          end
         end
 
         scenario "Ignore the proposal", :no_js do

spec/system/moderation/proposals_spec.rb

@@ -59,16 +59,28 @@ describe "Moderate proposals" do
           accept_confirm { click_button "Hide proposals" }
 
           expect(page).not_to have_css("#proposal_#{proposal.id}")
-          expect(proposal.reload).to be_hidden
-          expect(proposal.author).not_to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: proposal.author.email
+          click_button "Search"
+
+          within "tr", text: proposal.author.name do
+            expect(page).to have_link "Block"
+          end
         end
 
         scenario "Block the author" do
           accept_confirm { click_button "Block authors" }
 
           expect(page).not_to have_css("#proposal_#{proposal.id}")
-          expect(proposal.reload).to be_hidden
-          expect(proposal.author).to be_hidden
+
+          click_link "Block users"
+          fill_in "email or name of user", with: proposal.author.email
+          click_button "Search"
+
+          within "tr", text: proposal.author.name do
+            expect(page).to have_content "Blocked"
+          end
         end
 
         scenario "Ignore the proposal", :no_js do