Merge pull request AMReX-Codes#5 from atmyers/format_fix

fix format string

Author: MaxThevenet

regtest.py

@@ -662,7 +662,7 @@ def test_suite(argv):
         if suite.sourceTree == "C_Src" or test.testSrcTree == "C_Src":
 
             base_cmd = "./{} {} {}={}_plt {}={}_chk".format(
-                executable, test.inputFile, suite.plot_file_name, suite.check_file_name, test.name, test.name)
+                executable, test.inputFile, suite.plot_file_name, test.name, suite.check_file_name, test.name)
 
             # keep around the checkpoint files only for the restart runs
             if test.restartTest: