Heavier regtest

regtest/rt46/COLVAR.reference

 #! FIELDS time r1 r2 r3 r4 r5
- 0.000000  2.336  2.336  2.336  2.336  2.336
- 0.050000  2.336  2.336  2.336  2.336  2.336
- 0.100000  2.337  2.337  2.337  2.337  2.337
- 0.150000  2.339  2.339  2.339  2.339  2.339
- 0.200000  2.337  2.337  2.337  2.337  2.337
+ 0.000000  3.107  3.107  3.107  3.107  3.107
+ 0.050000  0.964  0.964  0.964  0.964  0.964
+ 0.100000  0.936  0.936  0.936  0.936  0.936
+ 0.150000  0.965  0.965  0.965  0.965  0.965
+ 0.200000  1.513  1.513  1.513  1.513  1.513
+ 0.250000  1.720  1.720  1.720  1.720  1.720

regtest/rt46/config

 type=driver
 # this is to test a different name
-arg="--plumed=plumed.dat --timestep=0.05 --ixyz trajectory.xyz --dump-forces ff"
+arg="--plumed=plumed.dat --timestep=0.05 --ixyz amyloid.xyz --dump-forces ff"
 extra_files="../trajectories/trajectory.xyz"

regtest/rt46/plumed.dat

-r1:   RMSD REFERENCE=ref.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
-r2:   RMSD REFERENCE=ref.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
-r3:   RMSD REFERENCE=ref.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
-r4:   RMSD REFERENCE=ref.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
-r5:   RMSD REFERENCE=ref.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
+r1:   RMSD REFERENCE=ref1.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
+r2:   RMSD REFERENCE=ref1.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
+r3:   RMSD REFERENCE=ref1.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
+r4:   RMSD REFERENCE=ref1.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
+r5:   RMSD REFERENCE=ref1.pdb  TYPE=OPTIMAL-FAST NUMERICAL_DERIVATIVES
 
 PRINT ...
   STRIDE=1