Adjust strain values in test/stress files

test/stress/gs.i

@@ -6,8 +6,7 @@ atom Si1 silicon  3.700 -0.100  0.300
 atom Si2 silicon -0.100  2.800 -0.200
 atom Si3 silicon -3.700  0.100  0.300
 atom Si4 silicon -0.100 -2.800 -0.200
-#strain 0.02 0.04 0.06 0.03 0.05 0.07
-strain 0.0 0.0 0.0 0.00 0.0 0.0
+strain 0.02 0.04 0.06 0.03 0.05 0.07
 params.i
 set wf_dyn PSDA
 set stress ON

test/stress/gs_offdiag.i

@@ -5,8 +5,8 @@ set stress ON
 set debug STRESS
 run 0
 set wf_dyn LOCKED
-strain 0 0 0  0.0005 0.000  0.000
+strain 0 0 0  0.0005 0.0002  -0.0003
 run 0
-strain -inverse 0 0 0  0.0005 0.000  0.000
-strain -inverse 0 0 0  0.0005 0.000  0.000
+strain -inverse 0 0 0  0.0005 0.0002  -0.0003
+strain -inverse 0 0 0  0.0005 0.0002  -0.0003
 run 0