pfunit test return code

pfunit

➜  Semi-Automatic git:(master) ✗ pwd
/Users/florianoswald/git/pfunit/Examples/Simple/Semi-Automatic

➜  Semi-Automatic git:(master) ✗ ./tests.x
..F.F...F..
Time:         0.063 seconds
  
 Failure in: testAdd2
   Location: [myTests.pf:17]
FLOs intentionally broken test expected: +5.000000 but found: +4.000000;     difference: |+1.000000| > tolerance:+0.000000.
  
 Failure in: testAddBroken
   Location: [myTests.pf:27]
intentional broken test expected: +1.000000 but found: +3.000000;     difference: |+2.000000| > tolerance:+0.000000.
  
 Failure in: testAddComplexMultiDimBroken
   Location: [myTests.pf:69]
intentionally broken expected: z=( +2.000000    , +0.000000    ) but found: z=( +0.000000    , +0.000000    );     difference: |+2.000000| > tolerance:+0.000000;  first difference at element [2, 2].
  
 FAILURES!!!
Tests run: 8, Failures: 3, Errors: 0

➜  Semi-Automatic git:(master) ✗ echo $?
0