diff --git a/src/Mod/Sketcher/SketcherTests/TestSketchValidateCoincidents.py b/src/Mod/Sketcher/SketcherTests/TestSketchValidateCoincidents.py
index 56ac70d646..e6cb6186e6 100644
--- a/src/Mod/Sketcher/SketcherTests/TestSketchValidateCoincidents.py
+++ b/src/Mod/Sketcher/SketcherTests/TestSketchValidateCoincidents.py
@@ -1,55 +1,69 @@
 # **************************************************************************
-#   Copyright (c) 2024 Syres                                                    *
+#   Copyright (c) 2024 Syres                                               *
 #                                                                          *
 #   This file is part of the FreeCAD CAx development system.               *
 #                                                                          *
-#   This program is free software; you can redistribute it and/or modify   *
-#   it under the terms of the GNU Lesser General Public License (LGPL)     *
-#   as published by the Free Software Foundation; either version 2 of      *
-#   the License, or (at your option) any later version.                    *
-#   for detail see the LICENCE text file.                                  *
+#   FreeCAD is free software: you can redistribute it and/or modify it     *
+#   under the terms of the GNU Lesser General Public License as            *
+#   published by the Free Software Foundation, either version 2.1 of the   *
+#   License, or (at your option) any later version.                        *
 #                                                                          *
-#   FreeCAD is distributed in the hope that it will be useful,             *
-#   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
-#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
-#   GNU Library General Public License for more details.                   *
+#   FreeCAD is distributed in the hope that it will be useful, but         *
+#   WITHOUT ANY WARRANTY; without even the implied warranty of             *
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
+#   Lesser General Public License for more details.                        *
 #                                                                          *
-#   You should have received a copy of the GNU Library General Public      *
-#   License along with FreeCAD; if not, write to the Free Software         *
-#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307   *
-#   USA                                                                    *
+#   You should have received a copy of the GNU Lesser General Public       *
+#   License along with FreeCAD. If not, see                                *
+#   <https://www.gnu.org/licenses/>.                                       *
 # **************************************************************************
 
-import FreeCAD, os, sys, unittest, Part, Sketcher
+import unittest
+import FreeCAD
+import Part
+import Sketcher
 from FreeCAD import Vector
 
 App = FreeCAD
 
+
 class TestSketchValidateCoincidents(unittest.TestCase):
+    """Sketch validation test"""
+
     def setUp(self):
         self.Doc = FreeCAD.newDocument("SketchValidateCoincidentsTest")
 
     def testSingleMissingCoincidentCase(self):
-        self.Sketch = self.Doc.addObject('Sketcher::SketchObject', 'Sketch')
-        geo0 = self.Sketch.addGeometry(Part.LineSegment(Vector (-47.680691, 18.824165000000004, 0.0), Vector (-47.680691, -27.346279, 0.0)))
-        geo1 = self.Sketch.addGeometry(Part.LineSegment(Vector (-47.680691, -27.346279, 0.0), Vector (51.132679, -27.346279, 0.0)))
-        geo2 = self.Sketch.addGeometry(Part.LineSegment(Vector (51.132679, -27.346279, 0.0), Vector (51.132679, 18.824165000000004, 0.0)))
-        geo3 = self.Sketch.addGeometry(Part.LineSegment(Vector (51.132679, 18.824165, 0.0), Vector (-47.680691, 18.824165, 0.0)))
-        self.Sketch.addConstraint(Sketcher.Constraint('Coincident', geo0, 2, geo1, 1))
-        self.Sketch.addConstraint(Sketcher.Constraint('Coincident', geo1, 2, geo2, 1))
-        self.Sketch.addConstraint(Sketcher.Constraint('Vertical', geo0))
-        self.Sketch.addConstraint(Sketcher.Constraint('Vertical', geo2))
-        self.Sketch.addConstraint(Sketcher.Constraint('Horizontal', geo1))
-        self.Sketch.addConstraint(Sketcher.Constraint('Coincident', geo3, 1, geo2, 2))
-        self.Sketch.addConstraint(Sketcher.Constraint('Horizontal', geo3))
-        self.Sketch.ViewObject.DiffuseColor = [(0.44, 0.91, 1.00, 0.00)]
+        sketch = self.Doc.addObject("Sketcher::SketchObject", "Sketch")
+        v0 = Vector(-47.680691, 18.824165000000004, 0.0)
+        v1 = Vector(-47.680691, -27.346279, 0.0)
+        v2 = Vector(51.132679, -27.346279, 0.0)
+        v3 = Vector(51.132679, 18.824165000000004, 0.0)
+        v4 = Vector(51.132679, 18.824165, 0.0)
+        v5 = Vector(-47.680691, 18.824165, 0.0)
+
+        geo0 = sketch.addGeometry(Part.LineSegment(v0, v1))
+        geo1 = sketch.addGeometry(Part.LineSegment(v1, v2))
+        geo2 = sketch.addGeometry(Part.LineSegment(v2, v3))
+        geo3 = sketch.addGeometry(Part.LineSegment(v4, v5))
+
+        sketch.addConstraint(Sketcher.Constraint("Coincident", geo0, 2, geo1, 1))
+        sketch.addConstraint(Sketcher.Constraint("Coincident", geo1, 2, geo2, 1))
+        sketch.addConstraint(Sketcher.Constraint("Vertical", geo0))
+        sketch.addConstraint(Sketcher.Constraint("Vertical", geo2))
+        sketch.addConstraint(Sketcher.Constraint("Horizontal", geo1))
+        sketch.addConstraint(Sketcher.Constraint("Coincident", geo3, 1, geo2, 2))
+        sketch.addConstraint(Sketcher.Constraint("Horizontal", geo3))
         self.Doc.recompute()
-        self.assertTrue(self.Sketch.ConstraintCount == 7)
-        self.Sketch.makeMissingPointOnPointCoincident()
+        self.assertEqual(sketch.ConstraintCount, 7)
+        sketch.detectMissingPointOnPointConstraints()
+        sketch.makeMissingPointOnPointCoincident()
         self.Doc.recompute()
-        self.assertTrue(self.Sketch.ConstraintCount == 8)
+        self.assertEqual(sketch.ConstraintCount, 8)
+        del v0, v1, v2, v3, v4, v5
+        del geo0, geo1, geo2, geo3
+        del sketch
 
     def tearDown(self):
         # closing doc
         FreeCAD.closeDocument(self.Doc.Name)
-        # print ("omit closing document for debugging")