fix wrong retry error messages

lib/gitlab/ci/config/entry/retry.rb

@@ -17,6 +17,10 @@ module Gitlab
                                                  greater_than_or_equal_to: 0,
                                                  less_than_or_equal_to: 2 }
             end
+
+            def location
+              'retry'
+            end
           end
 
           class FullRetry < Entry::Node
@@ -47,12 +51,20 @@ module Gitlab
             def self.possible_retry_when_values
               @possible_retry_when_values ||= Gitlab::Ci::Status::Build::Failed.reasons.keys.map(&:to_s) + ['always']
             end
+
+            def location
+              'retry'
+            end
           end
 
           class UnknownStrategy < Entry::Node
             def errors
               ["#{location} has to be either an integer or a hash"]
             end
+
+            def location
+              'retry config'
+            end
           end
 
           def self.default

spec/lib/gitlab/ci/config/entry/retry_spec.rb

@@ -78,7 +78,7 @@ describe Gitlab::Ci::Config::Entry::Retry do
 
         it 'returns error about invalid type' do
           expect(entry).not_to be_valid
-          expect(entry.errors).to include 'job retry should be a hash or an integer'
+          expect(entry.errors).to include 'retry config has to be either an integer or a hash'
         end
       end
 
@@ -98,7 +98,7 @@ describe Gitlab::Ci::Config::Entry::Retry do
 
           it 'returns error about wrong value' do
             expect(entry).not_to be_valid
-            expect(entry.errors).to include 'job retry should be a hash or an integer'
+            expect(entry.errors).to include 'retry config has to be either an integer or a hash'
           end
         end