Update composer.json: renommage packages composer.

composer.json

 {
-  "name": "unicaen/unicaen-db-import",
+  "name": "unicaen/db-import",
   "description": "Module d'import entre bases de données",
   "type": "module",
   "repositories": [
@@ -16,7 +16,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "~5.4",
-    "unicaen/unicaen-test": "^1.0"
+    "unicaen/test": "^1.0"
   },
   "autoload": {
     "psr-0": {