[tests] update wp-cache

tests/wp-cache/cache/037ca0030a34338e8f4f70326e9548a2.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0194,
+{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0068,
   "steps": 14 }

tests/wp-cache/cache/2457e9e3ceffadd99affa2bac5b00701.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "unknown" }

tests/wp-cache/cache/2f7a37f471889e53309478f7111f2e3b.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0087,
+{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0047,
   "steps": 5 }

tests/wp-cache/cache/349453e3fffbad07325f8bf5b3443b23.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0098,
+{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0047,
   "steps": 4 }

tests/wp-cache/cache/4825227cab959df9b11836e5a86b9400.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "valid", "time": 0.0065,
-  "steps": 4 }

tests/wp-cache/cache/700a49708dbbfb8a3d11c4175ff16350.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "valid", "time": 0.0131,
-  "steps": 7 }

tests/wp-cache/cache/88256e17ad3e563fabf4a3938c3414a4.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0075,
+{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0027,
   "steps": 7 }

tests/wp-cache/cache/8a114a0d4786d3d300536602a4e51312.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "valid", "time": 0.0068,
-  "steps": 5 }

tests/wp-cache/cache/90b7ae9827e313e62f15a4c232815006.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0083,
+{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0038,
   "steps": 6 }

tests/wp-cache/cache/a0bac3df4ce0b56c7de3f42bb7e3fdea.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "timeout", "time": 10. }

tests/wp-cache/cache/bbde3b8fa9c480d2796fc88f6c7828a2.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "valid", "time": 0.0024,
-  "steps": 6 }

tests/wp-cache/cache/dbf0fd12923e897b3af199827b5edf2b.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "unknown" }

tests/wp-cache/cache/df1d30bf7323b86cce32a6e8fd4c9f58.json

-{ "prover": "Alt-Ergo:2.2.0", "verdict": "valid", "time": 0.0135,
-  "steps": 14 }

tests/wp-cache/cache/ea611486826c14112cf2d1bc8011a2a8.json

-{ "prover": "Alt-Ergo:2.0.0", "verdict": "valid", "time": 0.0077,
-  "steps": 3 }