Use the same duration limit in job and in rule

lib/gitlab/ci/config/entry/rules/rule.rb

@@ -24,7 +24,7 @@ module Gitlab
             validates :config, allowed_keys: ALLOWED_KEYS
             validates :config, disallowed_keys: %i[start_in], unless: :specifies_delay?
             validates :start_in, presence: true, if: :specifies_delay?
-            validates :start_in, duration: { limit: '1 day' }, if: :specifies_delay?
+            validates :start_in, duration: { limit: '1 week' }, if: :specifies_delay?
 
             with_options allow_nil: true do
               validates :if, expression: true

spec/lib/gitlab/ci/config/entry/rules/rule_spec.rb

@@ -174,13 +174,13 @@ RSpec.describe Gitlab::Ci::Config::Entry::Rules::Rule do
     end
 
     context 'specifying a delayed job' do
-      let(:config) { { if: '$THIS || $THAT', when: 'delayed', start_in: '15 minutes' } }
+      let(:config) { { if: '$THIS || $THAT', when: 'delayed', start_in: '2 days' } }
 
       it { is_expected.to be_valid }
 
       it 'sets attributes for the job delay' do
         expect(entry.when).to eq('delayed')
-        expect(entry.start_in).to eq('15 minutes')
+        expect(entry.start_in).to eq('2 days')
       end
 
       context 'without a when: key' do
@@ -198,10 +198,20 @@ RSpec.describe Gitlab::Ci::Config::Entry::Rules::Rule do
 
         it { is_expected.not_to be_valid }
 
-        it 'returns an error about tstart_in being blank' do
+        it 'returns an error about start_in being blank' do
           expect(entry.errors).to include(/start in can't be blank/)
         end
       end
+
+      context 'when start_in value is longer than a week' do
+        let(:config) { { if: '$THIS || $THAT', when: 'delayed', start_in: '2 weeks' } }
+
+        it { is_expected.not_to be_valid }
+
+        it 'returns an error about start_in exceeding the limit' do
+          expect(entry.errors).to include(/start in should not exceed the limit/)
+        end
+      end
     end
 
     context 'when specifying unknown policy' do