[aorai] use WP cache in 'prove' ptest configuration

...ests/wp-cache/cache/9817548a5325cb23cf0c5a02adaa0ea2.json

...ests/wp-cache/cache/985d6e79eea9b86d3f55694284084336.json

...ests/wp-cache/cache/98736c3766376d71616ee82087837bf4.json

...ests/wp-cache/cache/98985aca3b0d1ed9407a1607ad0affbd.json

...ests/wp-cache/cache/98ca64a26938c018ee9bcd9cc1f69ff9.json

...ests/wp-cache/cache/99cfa0b7de18f9a6ff65ac8a73e82d18.json

...ests/wp-cache/cache/9add59adc93b9b00c63e5e06473dfc27.json

...ests/wp-cache/cache/9b2c9a488dfb0611f0a6db99caf53472.json

...ests/wp-cache/cache/9cfcee5183f9e47ec4cd1fa05847b0d8.json

...ests/wp-cache/cache/9d6c70b702f5501f8bb4412187fa5c50.json

...ests/wp-cache/cache/9de9987c3a48a0dd30def87c7ca3b694.json

...ests/wp-cache/cache/9f112aa169320627555725970668ba40.json

...ests/wp-cache/cache/a056ffdb3faf626487594da8813ffd60.json

...ests/wp-cache/cache/a089bcf9fc6b1b1e4ed24e890a73f6b4.json

...ests/wp-cache/cache/a13058b90195aefac4879104bf0c4f72.json

...ests/wp-cache/cache/a1adbad428073faedd161c4cef7e79d4.json

...ests/wp-cache/cache/a1dffbbe5ba464d2eb8901fee8848559.json

...ests/wp-cache/cache/a28da04b89421fffc01a68821310764d.json

...ests/wp-cache/cache/a32f9fa97a73b374e1748d476d517e7a.json

...ests/wp-cache/cache/a4b123e49cd12c70aa9a655f8d3257ad.json