CI test must have particle position.

Examples/Tests/collision/inputs_1d

@@ -88,9 +88,5 @@ collision1.CoulombLog = 10.0
 
 # Diagnostics
 diagnostics.diags_names = diag1
-
-diag1.fields_to_plot = "none"
-diag1.species = "ions"
 diag1.intervals = 600
 diag1.diag_type = Full
-diag1.ions.variables = w ux uy uz

Regression/Checksum/benchmarks_json/collisionZ.json

@@ -1,8 +1,22 @@
 {
+  "lev=0": {
+    "Bx": 0.0,
+    "By": 0.0,
+    "Bz": 0.0,
+    "Ex": 0.0,
+    "Ey": 0.0,
+    "Ez": 0.0,
+    "jx": 0.0,
+    "jy": 0.0,
+    "jz": 0.0
+  },
   "ions": {
     "particle_momentum_x": 3.4266327177706956e-16,
     "particle_momentum_y": 3.435391408305914e-16,
     "particle_momentum_z": 5.531650381094717e-16,
+    "particle_position_x": 1.0241442531780067,
+    "particle_position_y": 1.0238915904698023,
+    "particle_position_z": 1.024005350488445,
     "particle_weight": 1.1000000000000997e+24
   }
 }