Remove body_as_json in favor of built-in response.parsed_body for JSON response specs (#31749)

spec/requests/api/v1/directories_spec.rb

@@ -82,8 +82,8 @@ RSpec.describe 'Directories API' do
         get '/api/v1/directory', headers: headers
 
         expect(response).to have_http_status(200)
-        expect(body_as_json.size).to eq(2)
-        expect(body_as_json.pluck(:id)).to contain_exactly(eligible_remote_account.id.to_s, local_discoverable_account.id.to_s)
+        expect(response.parsed_body.size).to eq(2)
+        expect(response.parsed_body.pluck(:id)).to contain_exactly(eligible_remote_account.id.to_s, local_discoverable_account.id.to_s)
       end
     end
 
@@ -101,8 +101,8 @@ RSpec.describe 'Directories API' do
         get '/api/v1/directory', headers: headers, params: { local: '1' }
 
         expect(response).to have_http_status(200)
-        expect(body_as_json.size).to eq(1)
-        expect(body_as_json.first[:id]).to include(local_account.id.to_s)
+        expect(response.parsed_body.size).to eq(1)
+        expect(response.parsed_body.first[:id]).to include(local_account.id.to_s)
         expect(response.body).to_not include(remote_account.id.to_s)
       end
     end
@@ -115,9 +115,9 @@ RSpec.describe 'Directories API' do
         get '/api/v1/directory', headers: headers, params: { order: 'active' }
 
         expect(response).to have_http_status(200)
-        expect(body_as_json.size).to eq(2)
-        expect(body_as_json.first[:id]).to include(new_stat.account_id.to_s)
-        expect(body_as_json.second[:id]).to include(old_stat.account_id.to_s)
+        expect(response.parsed_body.size).to eq(2)
+        expect(response.parsed_body.first[:id]).to include(new_stat.account_id.to_s)
+        expect(response.parsed_body.second[:id]).to include(old_stat.account_id.to_s)
       end
     end
 
@@ -130,9 +130,9 @@ RSpec.describe 'Directories API' do
         get '/api/v1/directory', headers: headers, params: { order: 'new' }
 
         expect(response).to have_http_status(200)
-        expect(body_as_json.size).to eq(2)
-        expect(body_as_json.first[:id]).to include(account_new.id.to_s)
-        expect(body_as_json.second[:id]).to include(account_old.id.to_s)
+        expect(response.parsed_body.size).to eq(2)
+        expect(response.parsed_body.first[:id]).to include(account_new.id.to_s)
+        expect(response.parsed_body.second[:id]).to include(account_old.id.to_s)
       end
     end
   end