[wasm] Move regression tests to wasm directory

This moves all tests that construct a wasm module (and load
wasm-module-builder.js) from test/regress to the test/regress/wasm
directory. This will make it easier to skip them all in the
v8_enable_webassembly=false configuration.

R=ahaas@chromium.org

Bug: v8:11238
Change-Id: Ib22b0fb40a58f213182e68b78b34041651c436d1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2712243Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72942}

test/mjsunit/mjsunit.status

@@ -328,20 +328,6 @@
 # TODO(v8:7777): Change this once wasm is supported in jitless mode.
 ['not has_webassembly or variant == jitless', {
   # Skip tests that require webassembly.
-  'regress/regress-5888': [SKIP],
-  'regress/regress-5911': [SKIP],
-  'regress/regress-8947': [SKIP],
-  'regress/regress-9209': [SKIP],
-  'regress/regress-9832': [SKIP],
-  'regress/regress-813440': [SKIP],
-  'regress/regress-863810': [SKIP],
-  'regress/regress-1034394': [SKIP],
-  'regress/regress-crbug-746835': [SKIP],
-  'regress/regress-crbug-772056': [SKIP],
-  'regress/regress-crbug-816961': [SKIP],
-  'regress/regress-crbug-969498': [SKIP],
-  'regress/regress-crbug-1047368': [SKIP],
-  'regress/regress-v8-9106': [SKIP],
   'regress/wasm/*': [SKIP],
 
   'wasm/*': [SKIP],
@@ -1377,7 +1363,6 @@
   'regress/regress-441099': [SKIP],
   'regress/regress-677685': [SKIP],
   'regress/regress-799690': [SKIP],
-  'regress/regress-crbug-1047368': [SKIP],
   'regress/regress-crbug-935800': [SKIP],
   'regress/wasm/*': [SKIP],
   'wasm/*': [SKIP],
@@ -1386,10 +1371,6 @@
   'harmony/private-fields-special-object': [SKIP],
   # Skip, since import errors since they refer to the script via debug symbols
   'harmony/import-from-instantiation-errored': [SKIP],
-  # Investigate (JSFunction in startup serializer).
-  'regress/regress-1034394': [SKIP],
-  'regress/regress-863810': [SKIP],
-  'regress/regress-crbug-772056': [SKIP],
   # The entire snapshotting code assumes that the snapshot size fits
   # into an int, so it doesn't support huge TypedArrays.
   'regress/regress-319722-ArrayBuffer': [SKIP],
@@ -1398,8 +1379,6 @@
   # Investigate (IsFixedArrayBase).
   'regress/regress-786784': [SKIP],
   'regress/regress-v8-9656': [SKIP],
-  # Investigate (startup_serializer_->ReferenceMapContains(obj)).
-  'regress/regress-813440': [SKIP],
   # Investigate (segfault).
   'regress/regress-crbug-397662': [SKIP],
   # Script referenced only through context-dependent SourceTextModule