Add more return types after fixing a typo in my script

Author: nicolas-grekas

Tests/DateFormatter/AbstractIntlDateFormatterTest.php

@@ -967,10 +967,7 @@ abstract protected function getDateFormatter($locale, $datetype, $timetype, $tim
 
     abstract protected function getIntlErrorMessage(): string;
 
-    /**
-     * @return int
-     */
-    abstract protected function getIntlErrorCode();
+    abstract protected function getIntlErrorCode(): int;
 
     /**
      * @param int $errorCode

Tests/DateFormatter/IntlDateFormatterTest.php

@@ -188,7 +188,7 @@ protected function getIntlErrorMessage(): string
         return IntlGlobals::getErrorMessage();
     }
 
-    protected function getIntlErrorCode()
+    protected function getIntlErrorCode(): int
     {
         return IntlGlobals::getErrorCode();
     }

Tests/DateFormatter/Verification/IntlDateFormatterTest.php

@@ -73,7 +73,7 @@ protected function getIntlErrorMessage(): string
         return intl_get_error_message();
     }
 
-    protected function getIntlErrorCode()
+    protected function getIntlErrorCode(): int
     {
         return intl_get_error_code();
     }

Tests/NumberFormatter/AbstractNumberFormatterTest.php

@@ -842,10 +842,7 @@ abstract protected function getNumberFormatter(string $locale = 'en', string $st
 
     abstract protected function getIntlErrorMessage(): string;
 
-    /**
-     * @return int
-     */
-    abstract protected function getIntlErrorCode();
+    abstract protected function getIntlErrorCode(): int;
 
     /**
      * @param int $errorCode

Tests/NumberFormatter/NumberFormatterTest.php

@@ -178,7 +178,7 @@ protected function getIntlErrorMessage(): string
         return IntlGlobals::getErrorMessage();
     }
 
-    protected function getIntlErrorCode()
+    protected function getIntlErrorCode(): int
     {
         return IntlGlobals::getErrorCode();
     }

Tests/NumberFormatter/Verification/NumberFormatterTest.php

@@ -49,7 +49,7 @@ protected function getIntlErrorMessage(): string
         return intl_get_error_message();
     }
 
-    protected function getIntlErrorCode()
+    protected function getIntlErrorCode(): int
     {
         return intl_get_error_code();
     }