Minor performance improvement for test suite (#4678)

app/models/account.rb

@@ -268,7 +268,7 @@ class Account < ApplicationRecord
   def generate_keys
     return unless local?
 
-    keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)
+    keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 512 : 2048)
     self.private_key = keypair.to_pem
     self.public_key  = keypair.public_key.to_pem
   end

spec/controllers/api/v1/accounts/relationships_controller_spec.rb

@@ -50,14 +50,14 @@ describe Api::V1::Accounts::RelationshipsController do
         json = body_as_json
 
         expect(json).to be_a Enumerable
-        expect(json.first[:id]).to be simon.id
+        expect(json.first[:id]).to eq simon.id
         expect(json.first[:following]).to be true
         expect(json.first[:followed_by]).to be false
         expect(json.first[:muting]).to be false
         expect(json.first[:requested]).to be false
         expect(json.first[:domain_blocking]).to be false
 
-        expect(json.second[:id]).to be lewis.id
+        expect(json.second[:id]).to eq lewis.id
         expect(json.second[:following]).to be false
         expect(json.second[:followed_by]).to be true
         expect(json.second[:muting]).to be false

spec/spec_helper.rb

@@ -1,11 +1,15 @@
 require 'simplecov'
 
+GC.disable
+
 SimpleCov.start 'rails' do
   add_group 'Services', 'app/services'
   add_group 'Presenters', 'app/presenters'
   add_group 'Validators', 'app/validators'
 end
 
+gc_counter = -1
+
 RSpec.configure do |config|
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
@@ -22,8 +26,21 @@ RSpec.configure do |config|
   end
 
   config.after :suite do
+    gc_counter = 0
     FileUtils.rm_rf(Dir["#{Rails.root}/spec/test_files/"])
   end
+
+  config.after :each do
+    gc_counter += 1
+
+    if gc_counter > 19
+      GC.enable
+      GC.start
+      GC.disable
+
+      gc_counter = 0
+    end
+  end
 end
 
 def body_as_json