[modules] Add several new WPT tests.

third_party/WebKit/LayoutTests/external/wpt/html/semantics/scripting-1/the-script-element/module/TODO

Index: third_party/WebKit/LayoutTests/external/wpt/html/semantics/scripting-1/the-script-element/module/TODO
diff --git a/third_party/WebKit/LayoutTests/external/wpt/html/semantics/scripting-1/the-script-element/module/TODO b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/scripting-1/the-script-element/module/TODO
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index 0000000000000000000000000000000000000000..f80e062bbabba664800ac43c87ce657a213f010c
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+- In some cases we check that all logged exceptions are the same.
+  Should even the error events be the same?

[domenic, 2017/04/28 20:12:02]

The events should not be; we in fact might want to check that they're distinct.

+
+- Do we want to assert that the load event is fired only once?

[domenic, 2017/04/28 20:12:02]

That would be ideal, but I'm sure hoping nobody fires more than one load event
per script, so I'm not sure it's high priority...

+
+- Some obvious areas where more (or even any) tests are needed:
+  * scriptEl.onerror
+  * scriptEl.onload
+  * defer
+  * Invalid module specifiers.
+  * Fetch errors.
+  * Inline module scripts (once implemented).

[domenic, 2017/04/28 20:12:02]

The ones that stand out for me are scriptEl.onload (should be easy to sprinkle
around onload="log.push()"s), invalid module specifiers, and more fetch failure
tests (especially around scriptEl.onerror).