[testsuite] Use system_tests.path() in some test cases

tests/bugfixes/github/test_issue_283.py

@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 
-import system_tests
-import os.path
+from system_tests import CaseMeta, path, check_no_ASAN_UBSAN_errors
 
-class TestFirstPoC(metaclass=system_tests.CaseMeta):
+
+class TestFirstPoC(metaclass=CaseMeta):
     """
     Regression test for the bug described in:
     https://github.com/Exiv2/exiv2/issues/283
@@ -16,16 +16,15 @@ class TestFirstPoC(metaclass=system_tests.CaseMeta):
         Here we want to also check that the two last lines of got_stderr have the expected_stderr
         """
 
-        system_tests.check_no_ASAN_UBSAN_errors(self, i, command, got_stderr, expected_stderr)
+        check_no_ASAN_UBSAN_errors(self, i, command, got_stderr, expected_stderr)
         self.assertListEqual(expected_stderr.splitlines(), got_stderr.splitlines()[-2:])
 
-    filename = os.path.join("$data_path", "pocIssue283.jpg")
+    filename = path("$data_path/pocIssue283.jpg")
     commands = ["$exiv2 $filename"]
     stdout = [""]
     stderr = [
-        """$exiv2_exception_message """ + filename + """:
+        """$exiv2_exception_message $filename:
 $kerCorruptedMetadata
 """]
     compare_stderr = check_no_ASAN_UBSAN_errors
     retval = [1]
-

tests/bugfixes/github/test_pr_317.py

@@ -1,17 +1,17 @@
 # -*- coding: utf-8 -*-
 
-import system_tests
+from system_tests import CaseMeta, path
 
 
-class CanonEOSM100(metaclass=system_tests.CaseMeta):
+class CanonEOSM100(metaclass=CaseMeta):
 
-    filename = "$data_path/exiv2-pr317.exv"
+    filename = path("$data_path/exiv2-pr317.exv")
     commands = ["$exiv2 -pa --grep model/i $filename"]
 
     stdout = ["""Exif.Image.Model                             Ascii      15  Canon EOS M100
 Exif.Canon.ModelID                           Long        1  EOS M100
 Exif.Photo.LensModel                         Ascii      29  EF-M15-45mm f/3.5-6.3 IS STM
 """
-	]
+    ]
     stderr = [""]
-    retval = [0] 
+    retval = [0]