mavsdk_tests: clear params between test cases

test/mavsdk_tests/mavsdk_test_runner.py

@@ -3,6 +3,7 @@
 import argparse
 import datetime
 import fnmatch
+import glob
 import json
 import math
 import os
@@ -276,7 +277,7 @@ class Tester:
 
                 log_dir = self.get_log_dir(iteration, test['model'], key)
                 if self.verbose:
-                    print("creating log directory: {}"
+                    print("Creating log directory: {}"
                           .format(log_dir))
                 os.makedirs(log_dir, exist_ok=True)
 
@@ -325,6 +326,8 @@ class Tester:
     def run_test_case(self, test: Dict[str, Any],
                       case: str, log_dir: str) -> bool:
 
+        self.clear_params()
+
         self.start_runners(log_dir, test, case)
 
         logfile_path = self.determine_logfile_path(log_dir, 'combined')
@@ -366,6 +369,15 @@ class Tester:
                 print("  - {}".format(runner.get_log_filename()))
         return is_success
 
+    def clear_params(self):
+        param_files = glob.glob(
+            "build/px4_sitl_default/tmp/rootfs/eeprom/parameters_*",
+            recursive=False)
+        for param_file in param_files:
+            if self.verbose:
+                print("Deleting param file: {}".format(param_file))
+            os.unlink(param_file)
+
     def start_runners(self,
                       log_dir: str,
                       test: Dict[str, Any],