diff --git a/tests/test_mceditlib/extended_id_test.py b/tests/test_mceditlib/extended_id_test.py
index ea603cd..207d19b 100644
--- a/tests/test_mceditlib/extended_id_test.py
+++ b/tests/test_mceditlib/extended_id_test.py
@@ -45,8 +45,7 @@ def test_extid_extract(tmpdir, extid_pc_world):
                  ]:
         schem = extractSchematicFrom(extid_pc_world.getDimension(), BoundingBox((0, 0, 0), size))
         filename = tmpdir.join("extid_extract_%s_%s_%s" % size).strpath
-        schem.filename = filename
-        schem.saveChanges()
+        schem.saveToFile(filename)
         del schem
         schem = WorldEditor(filename)
         assert (schem.adapter.Blocks > 255).any()
diff --git a/tests/test_mceditlib/nbt_test.py b/tests/test_mceditlib/nbt_test.py
index 0dfa27a..68bb80a 100644
--- a/tests/test_mceditlib/nbt_test.py
+++ b/tests/test_mceditlib/nbt_test.py
@@ -22,7 +22,7 @@ def testLoad(indev_file):
     return level
 
 @pytest.mark.parametrize(['temp_file'], [('uncompressed.nbt',)], indirect=True)
-def testLoadUncompressed(self, temp_file):
+def testLoadUncompressed(temp_file):
     rootTag = nbt.load(temp_file.strpath)
 
 @pytest.fixture
diff --git a/tests/test_mceditlib/relight_test.py b/tests/test_mceditlib/relight_test.py
index 3f3698b..e3abd0c 100644
--- a/tests/test_mceditlib/relight_test.py
+++ b/tests/test_mceditlib/relight_test.py
@@ -4,7 +4,8 @@ import numpy
 
 logging.basicConfig(level=logging.INFO)
 
-def test_relight(pc_world):
+
+def test_relight(schematic_world, pc_world):
     anvilDim = pc_world.getDimension()
     bounds = anvilDim.bounds
     point = bounds.origin + (bounds.size * (0.5, 0.5, 0.5))
@@ -15,8 +16,7 @@ def test_relight(pc_world):
     for c in chunks:
         anvilDim.deleteChunk(*c)
 
-    station = TempLevel("station.schematic")
-    stationDim = station.getDimension()
+    stationDim = schematic_world.getDimension()
     anvilDim.copyBlocks(stationDim, stationDim.bounds, point, create=True)
 
     pc_world.saveChanges()
diff --git a/tests/test_mceditlib/revisionhistory_test.py b/tests/test_mceditlib/revisionhistory_test.py
index 022be33..50c3dee 100644
--- a/tests/test_mceditlib/revisionhistory_test.py
+++ b/tests/test_mceditlib/revisionhistory_test.py
@@ -18,7 +18,7 @@ from mceditlib import nbt
 @pytest.fixture
 def history(tmpdir):
     filename = "AnvilWorld"
-    tmpname = copy_temp_file(filename)
+    tmpname = copy_temp_file(tmpdir, filename)
     return RevisionHistory(tmpname)