Bug 1917534 [wpt PR 48035] - Add compute pressure-related commands to testdriver, a=testonly

Automatic update from web-platform-tests
Add compute pressure-related commands to testdriver (#48035)

* Add compute pressure-related commands to testdriver

Spec PR: w3c/compute-pressure#284

This PR adds the required infrastructure to manipulate compute pressure
from testdriver. The three new commands correspond to the three
WebDriver extension commands added by the spec PR above.

* Change the specification reference from "virtual pressure sample" to "virtual pressure state"
--

wpt-commits: 384f5d9f4d9dccecb3374990ffdc9b3e181d5ff5
wpt-pr: 48035

UltraBlame original commit: 54f6c255d0ae66171bdce4ad7945d0154168f51a

Author: marco-c

testing/web-platform/tests/docs/writing-tests/testdriver.md

@@ -689,6 +689,45 @@ run_bounce_tracking_mitigations
 #
 #
 #
+Compute
+Pressure
+#
+#
+#
+eval_rst
+.
+.
+js
+:
+autofunction
+:
+:
+test_driver
+.
+create_virtual_pressure_source
+.
+.
+js
+:
+autofunction
+:
+:
+test_driver
+.
+update_virtual_pressure_source
+.
+.
+js
+:
+autofunction
+:
+:
+test_driver
+.
+remove_virtual_pressure_source
+#
+#
+#
 Using
 test_driver
 in