Add response.content_type checks for JSON to api/v1 request specs (#31981)

spec/requests/api/v1/apps_spec.rb

@@ -28,6 +28,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
 
         app = Doorkeeper::Application.find_by(name: client_name)
 
@@ -59,6 +61,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
         expect(Doorkeeper::Application.find_by(name: client_name)).to be_present
 
         expect(response.parsed_body)
@@ -76,6 +80,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
 
         app = Doorkeeper::Application.find_by(name: client_name)
 
@@ -96,6 +102,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -106,6 +114,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
         expect(Doorkeeper::Application.find_by(name: client_name).scopes.to_s).to eq 'read'
       end
     end
@@ -117,6 +127,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -127,6 +139,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -137,6 +151,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -148,6 +164,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -158,6 +176,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
 
         app = Doorkeeper::Application.find_by(name: client_name)
 
@@ -180,6 +200,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
 
         app = Doorkeeper::Application.find_by(name: client_name)
 
@@ -202,6 +224,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -212,6 +236,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -222,6 +248,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -232,6 +260,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(422)
+        expect(response.content_type)
+          .to start_with('application/json')
       end
     end
 
@@ -242,6 +272,8 @@ RSpec.describe 'Apps' do
         subject
 
         expect(response).to have_http_status(200)
+        expect(response.content_type)
+          .to start_with('application/json')
 
         app = Doorkeeper::Application.find_by(name: client_name)