Merge pull request kubernetes#15229 from michelle192837/default

Ignore skipped results on Kubernetes TestGrid.

config/testgrids/default.yaml

@@ -5,6 +5,7 @@ default_test_group:
   days_of_results: 14 # Number of days of test results to gather and serve.
   tests_name_policy: 2 # replace the name of the test
   ignore_pending: false # Show in-progress tests.
+  ignore_skip: true # Don't show skipped tests by default.
   column_header:
     - configuration_value: Commit # Shows the commit number on column header
     - configuration_value: infra-commit
@@ -37,4 +38,4 @@ default_dashboard_tab:
   code_search_path: github.com/kubernetes/kubernetes/search # URL for regression search links.
   num_columns_recent: 10
   code_search_url_template: # The URL template to visit when searching for changelists
-    url: https://github.com/kubernetes/kubernetes/compare/<start-custom-0>...<end-custom-0>
+    url: https://github.com/kubernetes/kubernetes/compare/<start-custom-0>...<end-custom-0>