diff --git a/tests/test_data_model_leap.py b/tests/test_data_model_leap.py
index 1601975e951cac26dd92fadf39ebf6ab4bbd7008..43c8281bbadb9f0d5959434ee4db2750bdad1f20 100644
--- a/tests/test_data_model_leap.py
+++ b/tests/test_data_model_leap.py
@@ -31,8 +31,8 @@ from nose.tools import assert_true, assert_equal, assert_is_not_none  # @Unresol
 def test_leap_datamodel():
     import caosdb as h
     try:
-        h.execute_query("FIND ENTITY").delete()
-    except BaseException:
+        h.execute_query("FIND ENTITY").delete(chunk_size=15)
+    except:
         pass
 
     try:
diff --git a/tests/test_datatype.py b/tests/test_datatype.py
index a536d50ccbeb0e620c0f5c0d6046f770a15e116d..c321af8d9ce798c6f6646b599863762344c81a8e 100644
--- a/tests/test_datatype.py
+++ b/tests/test_datatype.py
@@ -31,8 +31,8 @@ from pytest import raises
 
 def setup_function(function):
     try:
-        db.execute_query("FIND ENTITY").delete()
-    except BaseException:
+        db.execute_query("FIND ENTITY").delete(chunk_size=10)
+    except:
         pass
 
 
diff --git a/tests/test_datatype_inheritance.py b/tests/test_datatype_inheritance.py
index 060883433b06382836d0b93322f21cfa577dbeb3..4f7005d71948fdd3b76fd5649dd965df2d1aaa9a 100644
--- a/tests/test_datatype_inheritance.py
+++ b/tests/test_datatype_inheritance.py
@@ -37,7 +37,7 @@ def setup_function(function):
 
 def teardown_function(function):
     try:
-        db.execute_query("FIND ENTITY").delete()
+        db.execute_query("FIND ENTITY").delete(chunk_size=15)
     except BaseException:
         pass
 
diff --git a/tests/test_misc.py b/tests/test_misc.py
index 8ffa14310703f34758dd0eec5b987ca27e1c342d..4a7084c9432df34fd48694db549bd7b94d924658 100644
--- a/tests/test_misc.py
+++ b/tests/test_misc.py
@@ -40,6 +40,7 @@ def setup_function(function):
 
 
 def teardown_function(function):
+    setup_function(function)
     assert len(db.execute_query("FIND Entity")) == 0
 
 
diff --git a/tests/test_server_side_scripting.py b/tests/test_server_side_scripting.py
index c7d1078e127ef27c227fb0059adae974a32d5078..a1aef7991623a00a69a8d82a1d4d67cb38fe3d89 100644
--- a/tests/test_server_side_scripting.py
+++ b/tests/test_server_side_scripting.py
@@ -33,13 +33,13 @@ import ssl
 import tempfile
 from http.client import HTTPSConnection
 
-from caosdb import Info, RecordType
-from caosdb import administration as admin
-from caosdb import execute_query, get_config, get_connection
-from caosdb.connection.encode import MultipartParam, multipart_encode
-from caosdb.connection.utils import urlencode, urlparse
-from caosdb.exceptions import HTTPClientError, HTTPResourceNotFoundError
-from caosdb.utils.server_side_scripting import run_server_side_script
+from linkahead import Info, RecordType
+from linkahead import administration as admin
+from linkahead import execute_query, get_config, get_connection
+from linkahead.connection.encode import MultipartParam, multipart_encode
+from linkahead.connection.utils import urlencode, urlparse
+from linkahead.exceptions import HTTPClientError, HTTPResourceNotFoundError
+from linkahead.utils.server_side_scripting import run_server_side_script
 from lxml import etree
 from pytest import mark, raises
 
@@ -207,9 +207,9 @@ def test_run_server_side_script_with_file_as_positional_param():
                              'pos0 pos1 .upload_files/test_file.txt')
 
     json_data = json.loads(response.stdout)
-    assert "caosdb" in json_data
-    assert "query" in json_data["caosdb"]
-    assert json_data["caosdb"]["query"] == ["COUNT ENTITY TestRT", "1"]
+    assert "linkahead" in json_data
+    assert "query" in json_data["linkahead"]
+    assert json_data["linkahead"]["query"] == ["COUNT ENTITY TestRT", "1"]
     assert "./.upload_files/test_file.txt" in json_data["files"]
 
 
@@ -232,7 +232,7 @@ def test_run_server_side_script_with_additional_file():
                              'pos0 pos1')
 
     json_data = json.loads(response.stdout)
-    assert json_data["caosdb"]["query"] == ["COUNT ENTITY TestRT", "1"]
+    assert json_data["linkahead"]["query"] == ["COUNT ENTITY TestRT", "1"]
     assert "./.upload_files/test_file.txt" in json_data["files"]
 
 
@@ -256,16 +256,16 @@ def test_diagnostics_basic():
     assert diagnostics is not None
     diagnostics = json.loads(diagnostics)
     assert diagnostics["python_version"] is not None
-    assert diagnostics["import"]["caosdb"][0] is True, ("caosdb not installed"
+    assert diagnostics["import"]["linkahead"][0] is True, ("linkahead not installed"
                                                         " in server's python path")
     assert diagnostics["auth_token"] is not None
     EXC_ERR = ("There shouldn't be any exception during the diagnostics of "
                "the interaction of the server-side script and the server.")
-    assert "exception" not in diagnostics["caosdb"], EXC_ERR
+    assert "exception" not in diagnostics["linkahead"], EXC_ERR
 
-    assert "query" in diagnostics["caosdb"]
-    assert diagnostics["caosdb"]["query"][0] == "COUNT ENTITY TestRT"
-    assert diagnostics["caosdb"]["query"][1] == "1", ("The RecordType should "
+    assert "query" in diagnostics["linkahead"]
+    assert diagnostics["linkahead"]["query"][0] == "COUNT ENTITY TestRT"
+    assert diagnostics["linkahead"]["query"][1] == "1", ("The RecordType should "
                                                       "have been found.")
     assert xml.xpath("/Response/script/@code")[0] == "123", ("The script "
                                                              "should exit "
@@ -300,10 +300,10 @@ def test_diagnostics_with_file_upload():
     assert diagnostics is not None
     diagnostics = json.loads(diagnostics)
     assert diagnostics["python_version"] is not None
-    assert diagnostics["import"]["caosdb"][0] is True, ("caosdb not installed"
+    assert diagnostics["import"]["linkahead"][0] is True, ("linkahead not installed"
                                                         " in server's python path")
     assert diagnostics["auth_token"] is not None
-    assert "exception" not in diagnostics["caosdb"], ("There shouldn't be any "
+    assert "exception" not in diagnostics["linkahead"], ("There shouldn't be any "
                                                       "exception during the "
                                                       "diagnostics of the "
                                                       "interaction of the "
@@ -349,10 +349,10 @@ def test_call_as_anonymous_with_administration_role():
     assert diagnostics is not None
     diagnostics = json.loads(diagnostics)
     assert diagnostics["python_version"] is not None
-    assert diagnostics["import"]["caosdb"][0] is True, ("caosdb not installed"
+    assert diagnostics["import"]["linkahead"][0] is True, ("linkahead not installed"
                                                         " in server's python path")
     assert diagnostics["auth_token"] is not None
-    assert "exception" not in diagnostics["caosdb"]
+    assert "exception" not in diagnostics["linkahead"]
 
 
 def request(method, headers, path, body=None):