Add missing factory specs

spec/models/match_spec.rb

@@ -45,5 +45,7 @@ RSpec.describe Match, type: :model do
 
   it 'has a valid factory' do
     expect(build(:match)).to be_valid
+    expect(build(:running_playoff_match)).to be_valid
+    expect(build(:group_match)).to be_valid
   end
 end

spec/models/stage_spec.rb

@@ -11,5 +11,6 @@ RSpec.describe Stage, type: :model do
 
   it 'has a valid factory' do
     expect(build(:stage)).to be_valid
+    expect(build(:group_stage)).to be_valid
   end
 end

spec/models/team_spec.rb

@@ -15,5 +15,6 @@ RSpec.describe Team, type: :model do
 
   it 'has a valid factory' do
     expect(build(:team)).to be_valid
+    expect(build(:detached_team)).to be_valid
   end
 end

spec/models/tournament_spec.rb

@@ -33,5 +33,7 @@ RSpec.describe Tournament, type: :model do
 
   it 'has valid factory' do
     expect(build(:tournament)).to be_valid
+    expect(build(:stage_tournament)).to be_valid
+    expect(build(:group_stage_tournament)).to be_valid
   end
 end