Use storage class to open and save project XML

tests/test_core/test_core_projectxml.py

@@ -220,12 +220,12 @@ def testCoreProjectXML_ReadCurrent(monkeypatch, filesDir, fncDir, outDir, refDir
 
     # Fail saving
     with monkeypatch.context() as mp:
-        mp.setattr("builtins.open", causeOSError)
+        mp.setattr("pathlib.Path.write_bytes", causeOSError)
         assert xmlWriter.write(data, packedContent, timeStamp, 1000) is False
         assert str(xmlWriter.error) == "Mock OSError"
 
     with monkeypatch.context() as mp:
-        mp.setattr("os.replace", causeOSError)
+        mp.setattr("pathlib.Path.replace", causeOSError)
         assert xmlWriter.write(data, packedContent, timeStamp, 1000) is False
         assert str(xmlWriter.error) == "Mock OSError"
 

tests/tools.py

@@ -167,6 +167,7 @@ def buildTestProject(theObject, projPath):
 
     theProject.clearProject()
     theProject.setProjectPath(projPath, newProject=True)
+    theProject.storage.openProjectInPlace(theProject.projPath)
 
     theProject.data.itemStatus.write(None, "New",      (100, 100, 100))
     theProject.data.itemStatus.write(None, "Note",     (200, 50,  0))