Mark PHP 8 as experimental (for now)

Author: Lewiscowles1986

.github/workflows/testing.yml

@@ -59,45 +59,60 @@ jobs:
 
   functional: #----------------------------------------------------------------------
     name: Functional - WP ${{ matrix.wp }} on PHP ${{ matrix.php }} with MySQL ${{ matrix.mysql }}
+    continue-on-error: ${{ matrix.experimental }}
     strategy:
       fail-fast: false
       matrix:
-        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0']
+        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
         wp: ['latest']
         mysql: ['8.0']
         test: ["composer behat || composer behat-rerun"]
+        experimental: [false]
         include:
           - php: '5.6'
             wp: 'trunk'
             mysql: '8.0'
+            experimental: false
             test: "composer behat || composer behat-rerun"
           - php: '5.6'
             wp: 'trunk'
             mysql: '5.7'
+            experimental: false
             test: "composer behat || composer behat-rerun"
           - php: '5.6'
             wp: 'trunk'
             mysql: '5.6'
+            experimental: false
             test: "composer behat || composer behat-rerun"
           - php: '7.4'
             wp: 'trunk'
             mysql: '8.0'
+            experimental: true
             test: "composer behat || composer behat-rerun"
           - php: '8.0'
             wp: 'trunk'
             mysql: '8.0'
+            experimental: true
+            test: "composer behat || composer behat-rerun"
+          - php: '8.0'
+            wp: 'latest'
+            mysql: '8.0'
+            experimental: true
             test: "composer behat || composer behat-rerun"
           - php: '8.0'
             wp: 'trunk'
             mysql: '5.7'
+            experimental: true
             test: "composer behat || composer behat-rerun"
           - php: '8.0'
             wp: 'trunk'
             mysql: '5.6'
+            experimental: true
             test: "composer behat || composer behat-rerun"
           - php: '5.6'
             wp: '3.7'
             mysql: '5.6'
+            experimental: false
             test: "composer behat || composer behat-rerun"
     runs-on: ubuntu-20.04