diff --git a/core/drupalci.yml b/core/drupalci.yml
index 8d6ce5a376..72b1196252 100644
--- a/core/drupalci.yml
+++ b/core/drupalci.yml
@@ -4,47 +4,17 @@
 build:
   assessment:
     validate_codebase:
+      host_command:
+        commands:
+          # apply a Coder patches
+          - 'cd vendor/drupal/coder; sudo -u www-data curl "https://patch-diff.githubusercontent.com/raw/pfrenssen/coder/pull/119.diff" | sudo -u www-data patch -p1'
+          - 'cd vendor/drupal/coder; sudo -u www-data curl "https://patch-diff.githubusercontent.com/raw/pfrenssen/coder/pull/129.diff" | sudo -u www-data patch -p1'
       phplint:
       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
+        sniff-all-files: true
         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.
-      # suppress-deprecations is false in order to be alerted to usages of
-      # deprecated code.
-      run_tests.phpunit:
-        types: 'PHPUnit-Unit'
-        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.build:
-        # Limit concurrency due to disk space concerns.
-        concurrency: 15
-        types: 'PHPUnit-Build'
-        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:
diff --git a/core/phpcs.xml.dist b/core/phpcs.xml.dist
index 7608fb6783..ee08ca2b0e 100644
--- a/core/phpcs.xml.dist
+++ b/core/phpcs.xml.dist
@@ -28,7 +28,6 @@
     <!-- Sniff for these errors: CommaLastItem -->
     <exclude name="Drupal.Arrays.Array.ArrayClosingIndentation"/>
     <exclude name="Drupal.Arrays.Array.ArrayIndentation"/>
-    <exclude name="Drupal.Arrays.Array.LongLineDeclaration"/>
   </rule>
   <rule ref="Drupal.Classes.ClassCreateInstance"/>
   <rule ref="Drupal.Classes.ClassDeclaration"/>