tests: ensure mocked data and svg verification [skip ci]

tests/cases/pagespeed.plugin.yml

@@ -5,6 +5,8 @@
     plugin_pagespeed: 'yes'
     plugin_pagespeed_token: MOCKED_TOKEN
     plugin_pagespeed_url: https://lecoq.io
+    use_mocked_data: 'yes'
+    verify: 'yes'
 - name: ⏱️ Website performances - Detailed report
   uses: lowlighter/metrics@latest
   with:
@@ -13,6 +15,8 @@
     plugin_pagespeed_detailed: 'yes'
     plugin_pagespeed_token: MOCKED_TOKEN
     plugin_pagespeed_url: https://lecoq.io
+    use_mocked_data: 'yes'
+    verify: 'yes'
 - name: ⏱️ Website performances - Screenshot
   uses: lowlighter/metrics@latest
   with:
@@ -21,3 +25,5 @@
     plugin_pagespeed_screenshot: 'yes'
     plugin_pagespeed_token: MOCKED_TOKEN
     plugin_pagespeed_url: https://lecoq.io
+    use_mocked_data: 'yes'
+    verify: 'yes'