Add additional possible error

Author: zachborboa

tests/PHPCurlClass/PHPCurlClassTest.php

@@ -1106,7 +1106,7 @@ public function testError()
         $test->curl->get(Test::ERROR_URL);
         $this->assertTrue($test->curl->error);
         $this->assertTrue($test->curl->curlError);
-        $possible_errors = array(CURLE_SEND_ERROR, CURLE_OPERATION_TIMEOUTED);
+        $possible_errors = array(CURLE_SEND_ERROR, CURLE_OPERATION_TIMEOUTED, CURLE_COULDNT_CONNECT);
         $this->assertTrue(
             in_array($test->curl->errorCode, $possible_errors, true),
             'errorCode: ' . $test->curl->errorCode

tests/PHPCurlClass/PHPMultiCurlClassTest.php

@@ -601,7 +601,7 @@ public function testMultiCurlCallbackError()
             \PHPUnit\Framework\Assert::assertTrue($instance->error);
             \PHPUnit\Framework\Assert::assertTrue($instance->curlError);
             \PHPUnit\Framework\Assert::assertFalse($instance->httpError);
-            $possible_errors = array(CURLE_SEND_ERROR, CURLE_OPERATION_TIMEOUTED);
+            $possible_errors = array(CURLE_SEND_ERROR, CURLE_OPERATION_TIMEOUTED, CURLE_COULDNT_CONNECT);
             \PHPUnit\Framework\Assert::assertTrue(
                 in_array($instance->errorCode, $possible_errors, true),
                 'errorCode: ' . $instance->errorCode