fix: milvus standalone test

Addded cleanup to remove etcd pvc not removed after a previous test run.

Author: d4rkstar

tests/kind/milvus_standalone_test.ipy

@@ -28,15 +28,19 @@ from nuvolaris.milvus_simple_client import MilvusSimpleClient as MilvusClient
 from nuvolaris.user_config import UserConfig
 from nuvolaris.user_metadata import UserMetadata
 
-# tu.enable_debug_logging()
+
+#tu.enable_debug_logging()
+### Initial cleanup
+!kubectl -n nuvolaris delete all --all
+!kubectl -n nuvolaris delete pvc --all
+
 # test
 assert(cfg.configure(tu.load_sample_config()))
 assert(cfg.detect_storage()["nuvolaris.storageclass"])
 
 # for this test minioClient and Milvus should see this env variable
 os.environ['MINIO_API_HOST']='localhost'
 os.environ['MILVUS_API_HOST']='localhost'
-os.environ['MILVUS_ROOT_PASSWORD']='An0therPa55'
 
 assert(etcd.create())
 assert(minio.create())
@@ -88,3 +92,8 @@ assert(milvus.delete_ow_milvus(ucfg))
 assert(milvus.delete())
 assert(etcd.delete())
 assert(minio.delete())
+
+# final cleanup
+!kubectl -n nuvolaris delete all --all
+# etcd pvc in particular
+!kubectl -n nuvolaris delete pvc --all