Add descriptions for async-iter suspended execution tests (#894)

Fixes #889

test/language/expressions/async-generators/return-suspendedStart-promise.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a return type completion.
+  Returning promise before start
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedStart", generator is closed without being resumed.

test/language/expressions/async-generators/return-suspendedStart.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a return type completion.
+  Returning non-promise before start
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedStart", generator is closed without being resumed.

test/language/expressions/async-generators/return-suspendedYield-promise.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a return type completion.
+  Returning promise
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", generator is resumed and immediately closes the generator

test/language/expressions/async-generators/return-suspendedYield-try-finally-return.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Returned generator suspended in a yield position resumes execution within
+  an associated finally
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/return-suspendedYield-try-finally-throw.js

@@ -5,6 +5,10 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Returned generator suspended in a yield position resumes execution
+  within an associated finally, capturing a new abrupt completion and
+  does not resume again within that finally block.
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/return-suspendedYield-try-finally.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Returned generator suspended in a yield position resumes execution within
+  an associated finally.
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/return-suspendedYield.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Returned generator suspended in a yield position does not resume execution
+  without an associated finally.
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", generator is resumed and immediately closes the generator

test/language/expressions/async-generators/throw-suspendedStart-promise.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a throw completion with a promise arg before
+  start
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedStart", generator is closed without being resumed.

test/language/expressions/async-generators/throw-suspendedStart.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a throw completion with a non-promise arg
+  before start
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedStart", generator is closed without being resumed.

test/language/expressions/async-generators/throw-suspendedYield-promise.js

@@ -5,6 +5,8 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a throw completion with a promise arg
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", generator is resumed and immediately and

test/language/expressions/async-generators/throw-suspendedYield-try-catch.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Thrown generator suspended in a yield position resumes execution within
+  the associated catch-block
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/throw-suspendedYield-try-finally-return.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Thrown generator suspended in a yield position resumes execution within
+  the associated finally block, returns and suspends execution again.
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/throw-suspendedYield-try-finally-throw.js

@@ -5,6 +5,10 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Thrown generator suspended in a yield position resumes execution within
+  the associated finally block and throws an error and suspendeds execution
+  again
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/throw-suspendedYield-try-finally.js

@@ -5,6 +5,9 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Thrown generator suspended in a yield position resumes execution within
+  the associated finally block.
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", and generator is resumed within a try-block with an

test/language/expressions/async-generators/throw-suspendedYield.js

@@ -5,6 +5,8 @@
 author: Caitlin Potter <caitp@igalia.com>
 esid: pending
 description: >
+  Generator is not resumed after a throw completion with an error object
+info: |
   AsyncGeneratorResumeNext:
   If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
   "suspendedYield", generator is resumed and immediately and