Fix CI Tests for LaserInjection_1d

Author: ax3l

Examples/Modules/laser_injection/analysis_1d.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 
-# Copyright 2021 Prabhat Kumar, Remi Lehe
+# Copyright 2021-2022 Prabhat Kumar, Remi Lehe, Axel Huebl
 #
 # This file is part of WarpX.
 #
@@ -12,6 +12,7 @@
 # the simulation and it compares it with theory. It also checks that the
 # central frequency of the Fourier transform is the expected one.
 
+import os
 import sys
 
 import matplotlib
@@ -171,7 +172,7 @@ def main():
 
     check_laser(filename_end)
 
-    test_name = filename_end[:-9] # Could also be os.path.split(os.getcwd())[1]
+    test_name = os.path.split(os.getcwd())[1]
     checksumAPI.evaluate_checksum(test_name, filename_end)
 
 if __name__ == "__main__":