Set TEST_RUN_DATA_PATH for test-framework base tests

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

core/test_run.py

@@ -22,6 +22,7 @@ class TestRun:
     plugin_manager = None
     duts = None
     disks = None
+    TEST_RUN_DATA_PATH = None
 
     @classmethod
     @contextmanager

core/test_run_utils.py

@@ -23,6 +23,7 @@ from test_tools import disk_finder
 from test_utils.dut import Dut
 
 TestRun = core.test_run.TestRun
+TestRun.TEST_RUN_DATA_PATH = "/tmp/test_data"
 
 
 @classmethod