Adjust some ci tests

Signed-off-by: XuanYang-cn <xuan.yang@zilliz.com>

tests/python/test_describe_collection.py

@@ -0,0 +1,31 @@
+from .utils import *
+from .constants import *
+
+uid = "describe_collection"
+
+
+class TestDescribeCollection:
+    """
+    ******************************************************************
+      The following cases are used to test `describe_collection` function
+    ******************************************************************
+    """
+    def test_describe_collection(self, connect):
+        '''
+        target: test describe collection
+        method: create collection then describe the same collection
+        expected: returned value is the same
+        '''
+        collection_name = gen_unique_str(uid)
+        df = default_fields
+        df["fields"].append({"name": "int32", "type": DataType.INT32})
+
+        connect.create_collection(collection_name, df)
+        info = connect.describe_collection(collection_name)
+        assert info.get("collection_name") == collection_name
+        assert len(info.get("fields")) == 4
+
+        for field in info.get("fields"):
+            assert field.get("name") in ["int32", "int64", "float", "float_vector"]
+            if field.get("name") == "float_vector":
+                assert field.get("params").get("dim") == str(default_dim)