diff --git a/nw/common.py b/nw/common.py
index febac7cc..68825f4d 100644
--- a/nw/common.py
+++ b/nw/common.py
@@ -243,8 +243,6 @@ def fuzzyTime(secDiff):
     else:
         return "%d years ago" % int(round(secDiff/31557600))
 
-    return "beyond time and space"
-
 def makeFileNameSafe(theText):
     """Returns a filename safe version of the text.
     """
diff --git a/tests/test_common.py b/tests/test_common.py
index 5a73ad45..41a81091 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -2,10 +2,12 @@
 """novelWriter Common Class Tester
 """
 
+import time
 import pytest
+
 from nw.common import (
     checkString, checkBool, checkInt, colRange, formatInt, transferCase,
-    fuzzyTime, checkHandle
+    fuzzyTime, checkHandle, formatTimeStamp
 )
 from nwtools import cmpList
 
@@ -75,6 +77,12 @@ def testColRange():
         [[200, 50, 0], [162, 87, 0], [124, 124, 0], [86, 161, 0], [50, 200, 0]]
     )
 
+@pytest.mark.core
+def testFormatTime():
+    tTime = time.mktime(time.gmtime(0))
+    assert formatTimeStamp(tTime, False) == "1970-01-01 00:00:00"
+    assert formatTimeStamp(tTime, True) == "1970-01-01 00.00.00"
+
 @pytest.mark.core
 def testFormatInt():
     assert formatInt(1000) == "1000"
diff --git a/tests/test_config.py b/tests/test_config.py
index b58e9697..612352cf 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -40,6 +40,7 @@ def testConfigSetDataPath(tmpConf, nwTemp):
 def testConfigSetWinSize(tmpConf, nwTemp, nwRef):
     refConf = path.join(nwRef, "novelwriter.conf")
     testConf = path.join(tmpConf.confPath, "novelwriter.conf")
+    tmpConf.guiScale = 1.0
 
     assert tmpConf.confPath == nwTemp
     assert tmpConf.setWinSize(1105, 655)
@@ -58,10 +59,17 @@ def testConfigSetTreeColWidths(tmpConf, nwTemp, nwRef):
     testConf = path.join(tmpConf.confPath, "novelwriter.conf")
 
     assert tmpConf.confPath == nwTemp
-    assert tmpConf.setTreeColWidths([0, 0, 0])
-    assert tmpConf.confChanged
+    tmpConf.guiScale = 1.0
+
+    assert tmpConf.setTreeColWidths([10, 20, 30])
+    assert tmpConf.treeColWidth == [10, 20, 30]
     assert tmpConf.setTreeColWidths([120, 30, 50])
+
+    assert tmpConf.setProjColWidths([10, 20, 30])
+    assert tmpConf.projColWidth == [10, 20, 30]
     assert tmpConf.setProjColWidths([140, 55, 140])
+
+    assert tmpConf.confChanged
     assert tmpConf.saveConfig()
 
     assert cmpFiles(testConf, refConf, [2])
@@ -73,12 +81,31 @@ def testConfigSetPanePos(tmpConf, nwTemp, nwRef):
     testConf = path.join(tmpConf.confPath, "novelwriter.conf")
 
     assert tmpConf.confPath == nwTemp
-    assert tmpConf.setMainPanePos([0, 0])
-    assert tmpConf.confChanged
+
+    tmpConf.guiScale = 2.0
+    assert tmpConf.setMainPanePos([200, 700])
+    assert tmpConf.mainPanePos == [100, 350]
+    assert tmpConf.getMainPanePos() == [200, 700]
+
+    assert tmpConf.setDocPanePos([300, 300])
+    assert tmpConf.docPanePos == [150, 150]
+    assert tmpConf.getDocPanePos() == [300, 300]
+
+    assert tmpConf.setViewPanePos([400, 250])
+    assert tmpConf.viewPanePos == [200, 125]
+    assert tmpConf.getViewPanePos() == [400, 250]
+
+    assert tmpConf.setOutlinePanePos([400, 250])
+    assert tmpConf.outlnPanePos == [200, 125]
+    assert tmpConf.getOutlinePanePos() == [400, 250]
+
+    tmpConf.guiScale = 1.0
     assert tmpConf.setMainPanePos([300, 800])
     assert tmpConf.setDocPanePos([400, 400])
     assert tmpConf.setViewPanePos([500, 150])
     assert tmpConf.setOutlinePanePos([500, 150])
+
+    assert tmpConf.confChanged
     assert tmpConf.saveConfig()
 
     assert cmpFiles(testConf, refConf, [2])
@@ -90,14 +117,37 @@ def testConfigFlags(tmpConf, nwTemp, nwRef):
     testConf = path.join(tmpConf.confPath, "novelwriter.conf")
 
     assert tmpConf.confPath == nwTemp
+
     assert not tmpConf.setShowRefPanel(False)
     assert tmpConf.setShowRefPanel(True)
+
+    assert not tmpConf.setViewComments(False)
+    assert not tmpConf.viewComments
+    assert tmpConf.setViewComments(True)
+
+    assert not tmpConf.setViewSynopsis(False)
+    assert not tmpConf.viewSynopsis
+    assert tmpConf.setViewSynopsis(True)
+
     assert tmpConf.confChanged
     assert tmpConf.saveConfig()
 
     assert cmpFiles(testConf, refConf, [2])
     assert not tmpConf.confChanged
 
+@pytest.mark.core
+def testTextSizes(tmpConf, nwTemp, nwRef):
+    assert tmpConf.confPath == nwTemp
+
+    tmpConf.guiScale = 2.0
+    assert tmpConf.getTextWidth() == 1200
+    assert tmpConf.getTextMargin() == 80
+    assert tmpConf.getTabWidth() == 80
+    assert tmpConf.getFocusWidth() == 1600
+    tmpConf.guiScale = 1.0
+
+    assert not tmpConf.confChanged
+
 @pytest.mark.core
 def testConfigErrors(tmpConf):
     nonPath = path.join("somewhere", "over", "the", "rainbow")
diff --git a/tests/test_gui.py b/tests/test_gui.py
index 012c8596..b7d34039 100644
--- a/tests/test_gui.py
+++ b/tests/test_gui.py
@@ -18,7 +18,7 @@ keyDelay = 2
 stepDelay = 20
 
 @pytest.mark.gui
-def testMainWindows(qtbot, nwFuncTemp, nwTempGUI, nwRef, nwTemp):
+def testMainWindow(qtbot, nwFuncTemp, nwTempGUI, nwRef, nwTemp):
 
     nwGUI = nw.main(["--testmode", "--config=%s" % nwFuncTemp, "--data=%s" % nwTemp])
     qtbot.addWidget(nwGUI)
diff --git a/tests/test_item.py b/tests/test_item.py
index a3280c14..d1097161 100644
--- a/tests/test_item.py
+++ b/tests/test_item.py
@@ -237,3 +237,34 @@ def testItemXMLPackUnpack(nwDummy):
     assert theItem.itemClass == nwItemClass.NOVEL
     assert theItem.itemType == nwItemType.FILE
     assert theItem.itemLayout == nwItemLayout.NOTE
+
+    # Errors
+
+    ## Not an Item
+    xDummy = etree.SubElement(nwXML, "stuff")
+    assert not theItem.unpackXML(xDummy)
+
+    ## Item without Handle
+    xDummy = etree.SubElement(nwXML, "item", attrib={"stuff": "nah"})
+    assert not theItem.unpackXML(xDummy)
+
+    ## Item with Invalid SubElement
+    xDummy = etree.SubElement(nwXML, "item", attrib={"handle": "0123456789abc"})
+    xParam = etree.SubElement(xDummy, "invalid")
+    xParam.text = "stuff"
+    assert theItem.unpackXML(xDummy) # Passes, but not saved
+
+    # Pack Valid Item
+    xDummy = etree.SubElement(nwXML, "group")
+    theItem._subPack(xDummy, "subGroup", {"one": "two"}, "value", False)
+    assert etree.tostring(xDummy, pretty_print=False, encoding="utf-8") == (
+        b"<group><subGroup one=\"two\">value</subGroup></group>"
+    )
+
+    # Pack Not Allowed None
+    xDummy = etree.SubElement(nwXML, "group")
+    assert theItem._subPack(xDummy, "subGroup", {}, None, False) is None
+    assert theItem._subPack(xDummy, "subGroup", {}, "None", False) is None
+    assert etree.tostring(xDummy, pretty_print=False, encoding="utf-8") == (
+        b"<group/>"
+    )