[wasm][debug] Skip all tests in isolates variant

Debugging with multiple isolates involved is known to be broken.

TBR=thibaudm@chromium.org

Bug: v8:10359
Change-Id: I2f32cd4b7b53492508948a85e9750167b25b8d89
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2140938Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67057}

test/debugger/debugger.status

@@ -159,9 +159,7 @@
   # involved (https://crbug.com/v8/10359).
   # (this list might need to be extended by more debugging tests as they
   # start flaking)
-  'debug/wasm/debug-enabled-tier-down-wasm': [SKIP],
-  'debug/wasm/debug-enabled-tier-down-wasm-unsupported-liftoff': [SKIP],
-  'debug/wasm/debug-step-into-wasm': [SKIP],
+  'debug/wasm/*': [SKIP],
   'regress/regress-crbug-1032042': [SKIP],
 }],  # 'isolates'