(wip) functional tests for sse KMS Migration

Need a script to run before version then upgrade version
and rerun

I'll try to clean this test

Author: BourgoisMickael

package.json

@@ -59,6 +59,13 @@
     "tv4": "^1.2.7"
   },
   "scripts": {
+    "ft_sse_migration": "S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configMigration.json mocha --timeout 100000 tests/functional/kms-sse-migration/migration.js",
+    "ft_sse_cleanup": "S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configArn.json mocha tests/functional/kms-sse-migration/cleanup.js",
+    "start_sse_migration": "MPU_TESTING=yes ENABLE_NULL_VERSION_COMPAT_MODE=true S3BACKEND=file S3KMS=file S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configMigration.json yarn start",
+    "start_sse_before_migration": "yarn start_sse_arn",
+    "ft_sse_before_migration": "S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configArn.json mocha tests/functional/kms-sse-migration/cleanup.js tests/functional/kms-sse-migration/beforeMigration.js",
+    "start_sse_arn": "MPU_TESTING=yes ENABLE_NULL_VERSION_COMPAT_MODE=true S3BACKEND=file S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configArn.json yarn start",
+    "ft_sse_arn": "S3METADATA=scality S3_CONFIG_FILE=tests/functional/kms-sse-migration/configArn.json mocha tests/functional/kms-sse-migration/arnPrefix.js",
     "ft_awssdk": "cd tests/functional/aws-node-sdk && mocha --reporter mocha-multi-reporters --reporter-options configFile=$INIT_CWD/tests/reporter-config.json test/",
     "ft_awssdk_aws": "cd tests/functional/aws-node-sdk && AWS_ON_AIR=true mocha --reporter mocha-multi-reporters --reporter-options configFile=$INIT_CWD/tests/reporter-config.json test/",
     "ft_awssdk_buckets": "cd tests/functional/aws-node-sdk && mocha --reporter mocha-multi-reporters --reporter-options configFile=$INIT_CWD/tests/reporter-config.json test/bucket",