test_result: add "retry_test_pattern" property on test suite

This allows defining a regular expression for tests that can be retried if they
failed. If a test result fail and its title match this regular expression it
will be retried.

bt5/erp5_test_result/PropertySheetTemplateItem/portal_property_sheets/TestSuite/retry_test_pattern_property.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Standard Property" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>elementary_type/string</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value> <string>Test results whose title match this (regular expression) pattern will be retried once if they fail.</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>retry_test_pattern_property</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Standard Property</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_test_result/SkinTemplateItem/portal_skins/erp5_test_result/TestResult_getTestSuiteData.py

 """Returns info about a test result, a mapping containing:
 
   test_suite_relative_url: relative url of test suite
+  retry_test_pattern: the pattern for test result lines which can be restarted
   repository_dict: for each test suite repository, keyed by buildout section id:
      revision: commit sha
      repository_url: git url of the repository
@@ -53,5 +54,6 @@ if REQUEST:
 
 return {
     'test_suite_relative_url': test_suite.getRelativeUrl(),
+    'retry_test_pattern': test_suite.getRetryTestPattern(),
     'repository_dict': repository_dict,
 }

bt5/erp5_test_result/SkinTemplateItem/portal_skins/erp5_test_result/TestSuite_view.xml

@@ -104,6 +104,7 @@
                         <string>my_additional_bt5_repository_id</string>
                         <string>my_source_project_title</string>
                         <string>my_specialise_title</string>
+                        <string>my_retry_test_pattern</string>
                       </list>
                     </value>
                 </item>

bt5/erp5_test_result/TestTemplateItem/portal_components/test.erp5.testTaskDistribution.py

@@ -1579,6 +1579,7 @@ class TestGitlabRESTConnectorInterface(ERP5TypeTestCase):
                 "test_result_line_pattern": None,
             },
         },
+        "retry_test_pattern": None,
         "test_suite_relative_url": self.test_suite.getRelativeUrl()
       },
       self.test_result.TestResult_getTestSuiteData())