TST: add tests for server#217 and server#221

Summary

Tests for caosdb-server#217 (closed) and caosdb-server#221 (closed).

Relevant MR: caosdb-server!56 (merged)

tests/test_issues_server.py

@@ -634,7 +634,7 @@ def test_issue_217_2():
 
     rt = db.RecordType(name="TestRT").insert()
     # prop = db.Property(name="LP", datatype=db.LIST("TestRT")).insert()
-    overridden_name="TestRT-overridden"
+    overridden_name = "TestRT-overridden"
     r = db.Record().add_parent(id=rt.id).add_property(name=overridden_name,
                                                       id=rt.id)
     assert r.get_property(overridden_name) is not None
@@ -648,7 +648,7 @@ def test_issue_217_2():
     r.retrieve(flags={"cache": "false"})
     assert r.get_property(overridden_name) is not None
     assert r.get_property(overridden_name).id == rt.id
-    r.description = "Changed description" # change description of the record
+    r.description = "Changed description"  # change description of the record
     r.update()
     assert r.get_property(overridden_name) is not None
     assert r.get_property(overridden_name).id == rt.id
@@ -673,7 +673,7 @@ def test_issue_217_3():
     r.retrieve(flags={"cache": "false"})
     assert r.get_property(rt.name).id == rt.id
     assert r.get_property(rt.name).description == "Desc-overridden"
-    r.description = "Changed description" # change description of the record
+    r.description = "Changed description"  # change description of the record
     r.update()
     assert r.get_property(rt.name).id == rt.id
     assert r.get_property(rt.name).description == "Desc-overridden"