AO3-6518 Spam check runs on abuse reports if the email you enter has …

…different capitalization than the email on your account (#4755)

* downcase email before compare

* added test

* updated `:safe_report`s initialization

app/models/abuse_report.rb

@@ -21,7 +21,7 @@ def check_for_spam
   end
 
   def logged_in_with_matching_email?
-    User.current_user.present? && User.current_user.email == email
+    User.current_user.present? && User.current_user.email.downcase == email.downcase
   end
 
   def akismet_attributes

spec/models/abuse_report_spec.rb

@@ -329,7 +329,7 @@
   context "when report is spam" do
     let(:legit_user) { create(:user) }
     let(:spam_report) { build(:abuse_report, username: 'viagra-test-123') }
-    let(:safe_report) { build(:abuse_report, username: 'viagra-test-123', email: legit_user.email) }
+    let!(:safe_report) { build(:abuse_report, username: 'viagra-test-123', email: legit_user.email) }
 
     before do
       allow(Akismetor).to receive(:spam?).and_return(true)
@@ -340,6 +340,13 @@
       expect(spam_report.errors[:base]).to include("This report looks like spam to our system!")
     end
 
+    it "is valid even if the email casing is different" do
+      legit_user.email = legit_user.email.upcase
+      legit_user.save
+      User.current_user = legit_user
+      expect(safe_report.save).to be_truthy
+    end
+
     it "is valid even with spam if logged in and providing correct email" do
       User.current_user = legit_user
       expect(safe_report.save).to be_truthy