Auto merge of #27402 - kunalmohan:webgpu-cts, r=jdm

Add a copy of WebGPU CTS to wpt.

<!-- Please describe your changes on the following line: -->
The test suite is generated from `glsl-dependent` branch in https://github.com/gpuweb/cts
We already have 6/44 tests passing and a number of subtests in other tests also pass.

r?@jdm
cc @kvark

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #27395  (GitHub issue number if applicable)

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- [X] These changes do not require tests because we don't have tests for tests.

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2 files changed, 13 insertions, 3 deletions

diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py
index f5784ce4f4d..5d05eb60300 100644
--- a/python/servo/testing_commands.py
+++ b/python/servo/testing_commands.py
@@ -552,6 +552,8 @@ class MachCommands(CommandBase):
                 elif tracker_api.endswith('/'):
                     tracker_api = tracker_api[0:-1]
 
+                if 'test' not in failure:
+                    continue
                 query = urllib.parse.quote(failure['test'], safe='')
                 request = urllib.request.Request("%s/query.py?name=%s" % (tracker_api, query))
                 search = urllib.request.urlopen(request)
@@ -569,9 +571,17 @@ class MachCommands(CommandBase):
                 is_intermittent = data['total_count'] > 0
 
             if is_intermittent:
-                intermittents.append(failure["output"])
+                if 'output' in failure:
+                    intermittents.append(failure["output"])
+                else:
+                    intermittents.append("%s [expected %s] %s \n"
+                                         % (failure["status"], failure["expected"], failure['test']))
             else:
-                actual_failures.append(failure["output"])
+                if 'output' in failure:
+                    actual_failures.append(failure["output"])
+                else:
+                    actual_failures.append("%s [expected %s] %s \n"
+                                           % (failure["status"], failure["expected"], failure['test']))
 
         def format(outputs, description, file=sys.stdout):
             formatted = "%s %s:\n%s" % (len(outputs), description, "\n".join(outputs))
diff --git a/python/tidy/servo_tidy/tidy.py b/python/tidy/servo_tidy/tidy.py
index 7501e07d802..a48fb4adc5d 100644
--- a/python/tidy/servo_tidy/tidy.py
+++ b/python/tidy/servo_tidy/tidy.py
@@ -516,7 +516,7 @@ def check_manifest_dirs(config_file, print_text=True):
     p = parser.parse(lines)
     paths = rec_parse(wpt_path("web-platform-tests"), p)
     for idx, path in enumerate(paths):
-        if '_mozilla' in path or '_webgl' in path:
+        if '_mozilla' in path or '_webgl' in path or '_webgpu' in path:
             continue
         if not os.path.isdir(path):
             yield(config_file, idx + 1, "Path in manifest was not found: {}".format(path))