Add mint tests into MinIO repo (#7886)

mint/build/aws-sdk-php/install.sh

@@ -0,0 +1,20 @@
+#!/bin/bash -e
+#
+#  Mint (C) 2017 Minio, Inc.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+test_run_dir="$MINT_RUN_CORE_DIR/aws-sdk-php"
+$WGET --output-document=- https://getcomposer.org/installer | php -- --install-dir="$test_run_dir"
+php "$test_run_dir/composer.phar" --working-dir="$test_run_dir" install