Remove createBucket retry mechanism for Azure.

The test is applicable only to minio server and that can be tested
without creating the bucket again. This allows us to remove the retry
creation of bucket on failure for about 30s.

run/core/aws-sdk-php/quick-tests.php

@@ -863,31 +863,17 @@ function testBucketPolicy($s3Client, $params) {
         throw new Exception('deleteBucket API failed for ' .
                             $bucket);
 
-    // In Minio Gateway for Azure, a container delete will take at
-    // least 30s to be truly deleted. Ref: https://docs.microsoft.com/en-us/rest/api/storageservices/create-container
-    $retries = 5;
-    while ($retries > 0) {
-        try {
-            $result = $s3Client->createBucket(['Bucket' => $bucket]);
-        } catch (Exception $e) {
-            $errorCode = $e->getStatusCode();
-            switch($errorCode) {
-            case HTTP_INTERNAL_ERROR:
-                $retries--;
-                sleep(30);
-                break;
-
-            case "409":
-            case HTTP_OK:
-                $retries = 0;
-                break;
-
-            default:
-                throw new Exception('createBucket API failed for ' .
-                                $bucket);
-            }
+    try {
+        $s3Client->getBucketPolicy(['Bucket' => $bucket]);
+    } catch (AWSException $e) {
+        switch ($e->getAwsErrorCode()) {
+        case 'NoSuchBucket':
+            break;
         }
     }
+
+    $s3Client->createBucket(['Bucket' => $bucket]);
+
     $params = [
         '404' => ['Bucket' => $bucket]
     ];
@@ -986,20 +972,24 @@ function runTest($s3Client, $myfunc, $fnSignature, $args = []) {
         $error = "";
         $message = "";
         $myfunc($s3Client, $args);
-    } catch (Exception $e) {
+    } catch (AwsException $e) {
         $errorCode = $e->getAwsErrorCode();
+        // $fnSignature holds the specific API that is being
+        // tested. It is possible that functions used to create the
+        // test setup may not be implemented.
         if ($errorCode != "NotImplemented") {
             $status = "FAIL";
             $error = $e->getMessage();
+        } else {
+            $status = "NA";
+            $error = $e->getMessage();
+            $alert = sprintf("%s or a related API is NOT IMPLEMENTED, see \"error\" for exact details.", $fnSignature);
         }
 
-        $status = "NA";
-        $message = "Not Implemented";
+    } catch (Exception $e) {
+        // This exception handler handles high-level custom exceptions.
+        $status = "FAIL";
         $error = $e->getMessage();
-        // $fnSignature holds the specific API that is being
-        // tested. It is possible that functions used to create the
-        // test setup may not be implemented.
-        $alert = sprintf("%s or a related API is not implemented, see \"error\" for exact details.", $fnSignature);
     } finally {
         $end_time = microtime(true);
         $json_log = [