fix perf results

Author: blink1073

.evergreen/scripts/configure-env.sh

@@ -76,7 +76,7 @@ EOT
 
 # Write the .env file for drivers-tools.
 rm -rf $DRIVERS_TOOLS
-git clone https://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
+git clone --branch revert-574-ironage/TUNE-74 https://github.com/mongodb-labs/drivers-evergreen-tools.git $DRIVERS_TOOLS
 
 cat <<EOT > ${DRIVERS_TOOLS}/.env
 SKIP_LEGACY_SHELL=1

.evergreen/scripts/run_tests.py

@@ -81,8 +81,8 @@
         status="pass",
         exit_code=0,
         test_file="BenchMarkTests",
-        start=start_time.timestamp(),
-        end=end_time.timestamp(),
+        start=int(start_time.timestamp()),
+        end=int(end_time.timestamp()),
         elapsed=elapsed_secs,
     )
     report = dict(failures=0, results=results)