PHPLIB-581: Check error labels for retryable writes spec tests

Author: jmikola

tests/SpecTests/ErrorExpectation.php

@@ -116,6 +116,22 @@ public static function fromRetryableWrites(stdClass $outcome)
             $o->isExpected = $outcome->error;
         }
 
+        /* outcome.result will only contain error label assertions if an error
+         * is expected (i.e. outcome.error is true). */
+        if ($o->isExpected && isset($outcome->result->errorLabelsContain)) {
+            if (! self::isArrayOfStrings($outcome->result->errorLabelsContain)) {
+                throw InvalidArgumentException::invalidType('errorLabelsContain', $outcome->result->errorLabelsContain, 'string[]');
+            }
+            $o->includedLabels = $outcome->result->errorLabelsContain;
+        }
+
+        if ($o->isExpected && isset($outcome->result->errorLabelsOmit)) {
+            if (! self::isArrayOfStrings($outcome->result->errorLabelsOmit)) {
+                throw InvalidArgumentException::invalidType('errorLabelsOmit', $outcome->result->errorLabelsOmit, 'string[]');
+            }
+            $o->excludedLabels = $outcome->result->errorLabelsOmit;
+        }
+
         return $o;
     }