Removed testRandom from the test suite as it keeps crashing.

tests/Makefile.am

@@ -23,7 +23,7 @@ AM_LDFLAGS = ../src/.libs/libswiftsim.a $(HDF5_LDFLAGS) $(HDF5_LIBS) $(FFTW_LIBS
 TESTS = testGreetings testMaths testReading.sh testKernel \
         testActivePair.sh test27cells.sh test27cellsPerturbed.sh  \
         testParser.sh test125cells.sh test125cellsPerturbed.sh testFFT \
-        testAdiabaticIndex testRandom testRandomSpacing \
+        testAdiabaticIndex testRandomSpacing \
         testMatrixInversion testThreadpool testDump testLogger testInteractions.sh \
         testVoronoi1D testVoronoi2D testVoronoi3D testGravityDerivatives \
 	testPeriodicBC.sh testPeriodicBCPerturbed.sh testPotentialSelf \