CI is green even though ctest fails

Currently Loaded Modulefiles:

  1. vgl 3) gnu/8.4.0 5) openmpi/4.0.1_system
  2. cmake/3.14.1 4) cuda/10.2 6) paraview/5.8
cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
ctest
      Start  1: Union3D
 1/48 Test  #1: Union3D ....................................................   Passed    0.01 sec
      Start  2: Intersection3D
 2/48 Test  #2: Intersection3D .............................................   Passed    0.01 sec
      Start  3: Difference3D
 3/48 Test  #3: Difference3D ...............................................   Passed    0.00 sec
      Start  4: linear
 4/48 Test  #4: linear .....................................................   Passed    0.01 sec
      Start  5: two shape linear extrude
 5/48 Test  #5: two shape linear extrude ...................................   Passed    0.00 sec
      Start  6: simple torus
 6/48 Test  #6: simple torus ...............................................   Passed    0.01 sec
      Start  7: Linear extrude of a triangle with hole
 7/48 Test  #7: Linear extrude of a triangle with hole .....................   Passed    0.00 sec
      Start  8: Cylinder
 8/48 Test  #8: Cylinder ...................................................   Passed    0.00 sec
      Start  9: Cube
 9/48 Test  #9: Cube .......................................................   Passed    0.00 sec
      Start 10: Sphere
10/48 Test #10: Sphere .....................................................   Passed    0.01 sec
      Start 11: Cone
11/48 Test #11: Cone .......................................................   Passed    0.01 sec
      Start 12: Polyhedron
12/48 Test #12: Polyhedron .................................................   Passed    0.01 sec
      Start 13: Translation
13/48 Test #13: Translation ................................................   Passed    0.00 sec
      Start 14: 90? Rotation around y-axis, rotating z-axis into x-axis
14/48 Test #14: 90? Rotation around y-axis, rotating z-axis into x-axis ...   Passed    0.00 sec
      Start 15: 90? rotation + translation of cylinder
15/48 Test #15: 90? rotation + translation of cylinder ....................   Passed    0.00 sec
      Start 16: 45? Rotation around y-axis
16/48 Test #16: 45? Rotation around y-axis ................................   Passed    0.00 sec
      Start 17: Skewed with shear y along z
17/48 Test #17: Skewed with shear y along z ................................   Passed    0.01 sec
      Start 18: union internal flow
18/48 Test #18: union internal flow ........................................   Passed    0.01 sec
      Start 19: CsgIF copy constructor
19/48 Test #19: CsgIF copy constructor .....................................   Passed    0.01 sec
      Start 20: two shapes
20/48 Test #20: two shapes .................................................   Passed    0.00 sec
      Start 21: union
21/48 Test #21: union ......................................................   Passed    0.00 sec
      Start 22: intersection
22/48 Test #22: intersection ...............................................   Passed    0.00 sec
      Start 23: difference
23/48 Test #23: difference .................................................   Passed    0.00 sec
      Start 24: incompatible 2D shape
24/48 Test #24: incompatible 2D shape ......................................   Passed    0.00 sec
      Start 25: sphere and mulmat cylinder
25/48 Test #25: sphere and mulmat cylinder .................................   Passed    0.00 sec
      Start 26: linear extrude circle
26/48 Test #26: linear extrude circle ......................................   Passed    0.00 sec
      Start 27: rotate extrude
27/48 Test #27: rotate extrude .............................................   Passed    0.00 sec
      Start 28: extrude two shapes
28/48 Test #28: extrude two shapes .........................................   Passed    0.01 sec
      Start 29: extrude with mulmatrix
29/48 Test #29: extrude with mulmatrix .....................................   Passed    0.01 sec
      Start 30: extrude with 3D object
30/48 Test #30: extrude with 3D object .....................................   Passed    0.01 sec
      Start 31: linear extrude polygon without paths
31/48 Test #31: linear extrude polygon without paths .......................   Passed    0.01 sec
      Start 32: linear extrude polygon with hole
32/48 Test #32: linear extrude polygon with hole ...........................   Passed    0.01 sec
      Start 33: matmul in matmul
33/48 Test #33: matmul in matmul ...........................................   Passed    0.00 sec
      Start 34: group
34/48 Test #34: group ......................................................   Passed    0.00 sec
      Start 35: render
35/48 Test #35: render .....................................................   Passed    0.00 sec
      Start 36: OpenSCAD Basic Example
36/48 Test #36: OpenSCAD Basic Example .....................................   Passed    0.01 sec
      Start 37: cylinder
37/48 Test #37: cylinder ...................................................   Passed    0.01 sec
      Start 38: nameless cylinder
38/48 Test #38: nameless cylinder ..........................................   Passed    0.01 sec
      Start 39: cube
39/48 Test #39: cube .......................................................   Passed    0.00 sec
      Start 40: sphere
40/48 Test #40: sphere .....................................................   Passed    0.00 sec
      Start 41: semicolon optional
41/48 Test #41: semicolon optional .........................................   Passed    0.00 sec
      Start 42: square pyramid polyhedron
42/48 Test #42: square pyramid polyhedron ..................................   Passed    0.00 sec
      Start 43: bad vs good polyhedron openscad example
43/48 Test #43: bad vs good polyhedron openscad example ....................***Exception: SegFault  0.00 sec
      Start 44: color
44/48 Test #44: color ......................................................   Passed    0.01 sec
      Start 45: one shape in matmul
45/48 Test #45: one shape in matmul ........................................   Passed    0.01 sec
      Start 46: two shapes in matmul
46/48 Test #46: two shapes in matmul .......................................   Passed    0.01 sec
      Start 47: two matmuls
47/48 Test #47: two matmuls ................................................   Passed    0.01 sec
      Start 48: two shapes one matmul
48/48 Test #48: two shapes one matmul ......................................   Passed    0.01 sec

98% tests passed, 1 tests failed out of 48