[test] Bump shards on slow builder

No-Try: true
Bug: v8:10911
Change-Id: I0cd19075f55494b7fefa5cbc7b2993ac1b6eefac
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2409494
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69869}

infra/testing/PRESUBMIT.py

@@ -122,9 +122,9 @@ def _check_test(error_msg, test):
   if not all(isinstance(x, basestring) for x in test_args):
     errors += error_msg('If specified, all test_args must be strings')
 
-  # Limit shards to 12 to avoid erroneous resource exhaustion.
+  # Limit shards to 14 to avoid erroneous resource exhaustion.
   errors += _check_int_range(
-      error_msg, test, 'shards', lower_bound=1, upper_bound=12)
+      error_msg, test, 'shards', lower_bound=1, upper_bound=14)
 
   variant = test.get('variant', 'default')
   if not variant or not isinstance(variant, basestring):

infra/testing/builders.pyl

@@ -457,8 +457,8 @@
       {'name': 'mjsunit_sp_frame_access'},
       {'name': 'mozilla', 'shards': 4},
       {'name': 'test262', 'variant': 'default', 'shards': 4},
-      {'name': 'v8testing', 'shards': 12},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 8},
+      {'name': 'v8testing', 'shards': 14},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 10},
       {'name': 'v8testing', 'variant': 'trusted', 'shards': 5},
     ],
   },
@@ -478,7 +478,7 @@
       {'name': 'mjsunit_sp_frame_access', 'shards': 4},
       {'name': 'mozilla', 'shards': 4},
       {'name': 'test262', 'variant': 'default', 'shards': 4},
-      {'name': 'v8testing', 'shards': 12},
+      {'name': 'v8testing', 'shards': 14},
       {'name': 'v8testing', 'variant': 'extra', 'shards': 10},
       {'name': 'v8testing', 'variant': 'trusted', 'shards': 5},
     ],
@@ -1553,8 +1553,8 @@
       {'name': 'mjsunit_sp_frame_access'},
       {'name': 'mozilla', 'shards': 2},
       {'name': 'test262', 'variant': 'default', 'shards': 2},
-      {'name': 'v8testing', 'shards': 10},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 6},
+      {'name': 'v8testing', 'shards': 12},
+      {'name': 'v8testing', 'variant': 'extra', 'shards': 9},
       {'name': 'v8testing', 'variant': 'trusted', 'shards': 2},
     ],
   },