Auto merge of #21229 - ergunsh:merge-run-wpt, r=jdm

Merge run_wpt.py into run.py

<!-- Please describe your changes on the following line: -->
To ensure everything is still works, one can run `./mach test-wpt tests/wpt/mozilla/DOMParser.html`

---
<!-- 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 #21201 (github issue number if applicable).

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- [ ] There are tests for these changes OR
- [X] These changes do not require tests

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python/servo/testing_commands.py

@@ -385,7 +385,7 @@ def test_wpt_android(self, release=False, dev=False, binary_args=None, **kwargs)
     def _test_wpt(self, **kwargs):
         hosts_file_path = path.join(self.context.topdir, 'tests', 'wpt', 'hosts')
         os.environ["hosts_file_path"] = hosts_file_path
-        run_file = path.abspath(path.join(self.context.topdir, "tests", "wpt", "run_wpt.py"))
+        run_file = path.abspath(path.join(self.context.topdir, "tests", "wpt", "run.py"))
         return self.wptrunner(run_file, **kwargs)
 
     # Helper to ensure all specified paths are handled, otherwise dispatch to appropriate test suite.

tests/wpt/README.md

@@ -9,8 +9,7 @@ In particular, this folder contains:
 
 * `config.ini`: some configuration for the web-platform-tests.
 * `include.ini`: the subset of web-platform-tests we currently run.
-* `run_wpt.py`: glue code to run the web-platform-tests in Servo.
-* `run.py`: common code used by `run_wpt.py`.
+* `run.py`: run the web-platform-tests in Servo.
 * `web-platform-tests`: copy of the web-platform-tests.
 * `metadata`: expected failures for the web-platform-tests we run.
 * `mozilla`: web-platform-tests that cannot be upstreamed.
@@ -49,7 +48,7 @@ test with `mach test-wpt --release`
 Running the tests without mach
 ------------------------------
 
-When avoiding `mach` for some reason, one can run `run_wpt.py`
+When avoiding `mach` for some reason, one can run `run.py`
 directly. However, this requires that all the dependencies for
 `wptrunner` are avaliable in the current python environment.
 

tests/wpt/run.py

@@ -19,15 +19,15 @@ def wpt_path(*args):
 def servo_path(*args):
     return os.path.join(servo_root, *args)
 
+paths = {"include_manifest": wpt_path("include.ini"),
+         "config": wpt_path("config.ini")}
 # Imports
 sys.path.append(wpt_path("web-platform-tests", "tools", "wptrunner"))
 from wptrunner import wptrunner, wptcommandline
 
 
-def run_tests(paths=None, **kwargs):
-    if paths is None:
-        paths = {}
-    set_defaults(paths, kwargs)
+def run_tests(**kwargs):
+    set_defaults(kwargs)
 
     mozlog.commandline.log_formatters["servo"] = \
         (grouping_formatter.GroupingFormatter, "A grouping output formatter")
@@ -47,7 +47,7 @@ def run_tests(paths=None, **kwargs):
     return 0 if success else 1
 
 
-def set_defaults(paths, kwargs):
+def set_defaults(kwargs):
     if kwargs["product"] is None:
         kwargs["product"] = "servo"
 
@@ -75,7 +75,10 @@ def set_defaults(paths, kwargs):
     wptcommandline.check_args(kwargs)
 
 
-def main(paths=None):
+def main():
     parser = wptcommandline.create_parser()
     kwargs = vars(parser.parse_args())
-    return run_tests(paths, **kwargs)
+    return run_tests(**kwargs)
+
+if __name__ == "__main__":
+    sys.exit(0 if main() else 1)