rspec tests were added for the process banner

spec/models/legislation/process_spec.rb

@@ -177,4 +177,24 @@ describe Legislation::Process do
     end
   end
 
+  describe "banner colors" do
+    it "valid banner colors" do
+      process1 = create(:legislation_process, background_color: "123", font_color: "#fff")
+      process2 = create(:legislation_process, background_color: "#fff", font_color: "123")
+      process3 = create(:legislation_process, background_color: "", font_color: "")
+      process4 = create(:legislation_process, background_color: "#abf123", font_color: "fff123")
+      expect(process1).to be_valid
+      expect(process2).to be_valid
+      expect(process3).to be_valid
+      expect(process4).to be_valid
+    end
+
+    it "invalid banner colors" do
+      expect {
+        process1 = create(:legislation_process, background_color: "#123ghi", font_color: "#fff")
+        process2 = create(:legislation_process, background_color: "#ffffffff", font_color: "#123")
+      }.to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Background color is invalid")
+    end
+  end
+
 end