make test fails - magnetic lens

[rafaelab]

make test fails.
Error occurs both in Mac and Linux.
CRPropa works correctly, except for this.
Both numpy and python are working properly.

Running tests...
Test project /Users/rogerio/CRPropa3/build
      Start  1: testCore
 1/12 Test  #1: testCore ..........................   Passed    0.99 sec
      Start  2: testVector3
 2/12 Test  #2: testVector3 .......................   Passed    0.15 sec
      Start  3: testModuleList
 3/12 Test  #3: testModuleList ....................   Passed    0.21 sec
      Start  4: testMagneticField
 4/12 Test  #4: testMagneticField .................   Passed    0.82 sec
      Start  5: testDINT
 5/12 Test  #5: testDINT ..........................   Passed    0.77 sec
      Start  6: testPropagation
 6/12 Test  #6: testPropagation ...................   Passed    0.33 sec
      Start  7: testBreakCondition
 7/12 Test  #7: testBreakCondition ................   Passed    0.16 sec
      Start  8: testInteraction
 8/12 Test  #8: testInteraction ...................   Passed   12.26 sec
      Start  9: testSource
 9/12 Test  #9: testSource ........................   Passed    0.21 sec
      Start 10: testGalacticMagneticLens
10/12 Test #10: testGalacticMagneticLens ..........   Passed    0.33 sec
      Start 11: testMagneticLensPythonInterface
11/12 Test #11: testMagneticLensPythonInterface ...***Failed   11.74 sec
      Start 12: testSimulationExecution
12/12 Test #12: testSimulationExecution ...........   Passed    2.07 sec

92% tests passed, 1 tests failed out of 12

Total Test time (real) =  30.08 sec

The following tests FAILED:
     11 - testMagneticLensPythonInterface (Failed)
Errors while running CTest
make: *** [test] Error 8