coalescence golovin test - increase tolerance a little

Author: pdziekan

tests/python/physics/coalescence_golovin.py

@@ -136,7 +136,7 @@ def calc_golovin(res,t,n0,v0,b):
 
   if(i==0):
     print('sd_conc RMSD = ' + str(rmsd));
-    limit = 1e-5;
+    limit = 1.1e-5;
   else:
     print('const_multi RMSD = ' + str(rmsd));
     limit = 3e-5; # constant multiplicity doesn't represent tails of the distribution so well and mass densty function depends on large tail?