Rewrite call to evaluate_checksum

Examples/Physics_applications/capacitive_discharge/analysis_2d.py

@@ -7,12 +7,16 @@
 # solver that directly solves the Poisson equation using matrix inversion
 # rather than the iterative approach from the MLMG solver.
 
+import os
 import sys
 
 sys.path.append("../../../../warpx/Regression/Checksum/")
 
 import checksumAPI
 
 my_check = checksumAPI.evaluate_checksum(
-    "test_2d_background_mcc", "diags/diag1000050", do_particles=True, rtol=5e-3
+    test_name=os.path.split(os.getcwd())[1],
+    output_file=sys.argv[1],
+    rtol=5e-3,
+    do_particles=True,
 )