diff --git a/libbeat/tests/system/beat/common_tests.py b/libbeat/tests/system/beat/common_tests.py
index 1f2c890749d..bfa4149fed1 100644
--- a/libbeat/tests/system/beat/common_tests.py
+++ b/libbeat/tests/system/beat/common_tests.py
@@ -21,8 +21,9 @@ def run_export_cmd(self, cmd, extra=[]):
         if len(extra) != 0:
             args += extra
         exit_code = self.run_beat(extra_args=args, logging_args=[])
-        assert exit_code == 0
         output = self.get_log()
+        if exit_code != 0:
+            raise Exception("export command returned with an error: {}".format(output))
         trailer = "\nPASS\n"
         pos = output.rfind(trailer)
         if pos == -1:
diff --git a/x-pack/auditbeat/tests/system/test_exports.py b/x-pack/auditbeat/tests/system/test_exports.py
new file mode 100644
index 00000000000..920f2d20ba6
--- /dev/null
+++ b/x-pack/auditbeat/tests/system/test_exports.py
@@ -0,0 +1,12 @@
+import jinja2
+import os
+import platform
+import sys
+import time
+import unittest
+
+from auditbeat_xpack import *
+from beat import common_tests
+
+class Test(AuditbeatXPackTest, common_tests.TestExportsMixin):
+    pass
diff --git a/x-pack/functionbeat/provider/aws/aws/kinesis.go b/x-pack/functionbeat/provider/aws/aws/kinesis.go
index b99d57fd83e..86d1d92959a 100644
--- a/x-pack/functionbeat/provider/aws/aws/kinesis.go
+++ b/x-pack/functionbeat/provider/aws/aws/kinesis.go
@@ -70,7 +70,7 @@ func (s *startingPosition) Unpack(str string) error {
 func (s *startingPosition) String() string {
 	v, ok := mapStartingPositionReverse[*s]
 	if !ok {
-		panic("unknown starting position: " + string(*s))
+		panic("unknown starting position: " + fmt.Sprint(*s))
 	}
 	return v
 }
diff --git a/x-pack/metricbeat/tests/system/test_xpack_base.py b/x-pack/metricbeat/tests/system/test_xpack_base.py
index 225ad779f0d..75eeafd0ed9 100644
--- a/x-pack/metricbeat/tests/system/test_xpack_base.py
+++ b/x-pack/metricbeat/tests/system/test_xpack_base.py
@@ -2,7 +2,7 @@
 
 import xpack_metricbeat
 import test_base
+from beat import common_tests
 
-
-class Test(xpack_metricbeat.XPackTest, test_base.Test):
+class Test(xpack_metricbeat.XPackTest, test_base.Test, common_tests.TestExportsMixin):
     pass