PD: Explicitly switch off AllowCompound for some tests to make them succeed

Fixes #17363

src/Mod/PartDesign/PartDesignTests/TestInvoluteGear.py

@@ -254,6 +254,7 @@ class TestInvoluteGear(unittest.TestCase):
         profile.HighPrecision = False
         profile.NumberOfTeeth = 8
         body = self.Doc.addObject('PartDesign::Body','GearBody')
+        body.AllowCompound = False
         body.addObject(profile)
         cylinder = body.newObject('PartDesign::AdditiveCylinder','GearCylinder')
         default_dedendum = 1.25

src/Mod/PartDesign/PartDesignTests/TestMultiTransform.py

@@ -70,6 +70,7 @@ class TestMultiTransform(unittest.TestCase):
         # Arrange
         Doc = self.Doc
         Body = Doc.addObject('PartDesign::Body','Body')
+        Body.AllowCompound = False
         # Make first offset cube Pad
         PadSketch = Doc.addObject('Sketcher::SketchObject', 'SketchPad')
         Body.addObject(PadSketch)