diff --git a/core/drupalci.yml b/core/drupalci.yml
index c01c31ffe2..2085b9737b 100644
--- a/core/drupalci.yml
+++ b/core/drupalci.yml
@@ -3,6 +3,17 @@
 # https://www.drupal.org/drupalorg/docs/drupal-ci/customizing-drupalci-testing
 build:
   assessment:
+    validate_codebase:
+      phplint:
+      csslint:
+        halt-on-fail: false
+      eslint:
+        # A test must pass eslinting standards check in order to continue processing.
+        halt-on-fail: false
+      phpcs:
+        # phpcs will use core's specified version of Coder.
+        sniff-all-files: false
+        halt-on-fail: false
     testing:
       # run_tests task is executed several times in order of performance speeds.
       # halt-on-fail can be set on the run_tests tasks in order to fail fast.
@@ -13,3 +24,27 @@ build:
         testgroups: '--all'
         suppress-deprecations: false
         halt-on-fail: false
+      run_tests.kernel:
+        types: 'PHPUnit-Kernel'
+        testgroups: '--all'
+        suppress-deprecations: false
+        halt-on-fail: false
+      run_tests.simpletest:
+         types: 'Simpletest'
+         testgroups: '--all'
+         suppress-deprecations: false
+         halt-on-fail: false
+      run_tests.functional:
+        types: 'PHPUnit-Functional'
+        testgroups: '--all'
+        suppress-deprecations: false
+        halt-on-fail: false
+      run_tests.javascript:
+        concurrency: 15
+        types: 'PHPUnit-FunctionalJavascript'
+        testgroups: '--all'
+        suppress-deprecations: false
+        halt-on-fail: false
+      # Run nightwatch testing.
+      # @see https://www.drupal.org/project/drupal/issues/2869825
+      nightwatchjs: