Invert 'StandardTestFinder' and 'PerfTestFinder' declaration order

Preliminary commit, we'll need to make 'PerfTestFinder' inherits from
'StandardTestFinder' in a later commit.

Author: HugoGGuerrier

testsuite/testsuite.py

@@ -20,14 +20,16 @@
     benchmarks_driver, refactor_driver
 )
 
-class PerfTestFinder(YAMLTestFinder):
+
+class StandardTestFinder(YAMLTestFinder):
     """
-    Testcase finder to use in perf mode.
+    Testcase finder to use in stadard mode.
 
-    This finder automatically discard tests that do not have performance
-    measuring instructions. This is preferable to creating these tests but
-    skipping them (SKIP status) as most tests do not support performance
-    measurements: less noise in the testsuite report.
+    This finder exclude test cases from the 'tests/perf/' directory to avoid
+    running them in standard mode. This allow performance exclusive test
+    cases.
+    This finder doesn't exclude all performance compatible tests because
+    we want to be able to write baseline/performance hybrid tests.
     """
 
     def probe(self,
@@ -38,30 +40,21 @@ def probe(self,
         # Probe testcases as usual
         result = super().probe(testsuite, dirpath, dirnames, filenames)
 
-        # Reject testcases which do not contain performance measuring
-        # instructions.
-        if result is None or P.join("tests", "perf") not in result.test_dir:
+        # Reject all tests which have 'tests/perf' in their directory name
+        if result is None or P.join("tests", "perf") in result.test_dir:
             return None
 
-        # Make sure that the driver supports performance measuring
-        if not result.driver_cls.perf_supported:
-            raise ProbingError(
-                f"The '{result.driver_cls.__name__}' driver does not support"
-                 " performance measuring"
-            )
-
         return result
 
 
-class StandardTestFinder(YAMLTestFinder):
+class PerfTestFinder(YAMLTestFinder):
     """
-    Testcase finder to use in stadard mode.
+    Testcase finder to use in perf mode.
 
-    This finder exclude test cases from the 'tests/perf/' directory to avoid
-    running them in standard mode. This allow performance exclusive test
-    cases.
-    This finder doesn't exclude all performance compatible tests because
-    we want to be able to write baseline/performance hybrid tests.
+    This finder automatically discard tests that do not have performance
+    measuring instructions. This is preferable to creating these tests but
+    skipping them (SKIP status) as most tests do not support performance
+    measurements: less noise in the testsuite report.
     """
 
     def probe(self,
@@ -72,10 +65,18 @@ def probe(self,
         # Probe testcases as usual
         result = super().probe(testsuite, dirpath, dirnames, filenames)
 
-        # Reject all tests which have 'tests/perf' in their directory name
-        if result is None or P.join("tests", "perf") in result.test_dir:
+        # Reject testcases which do not contain performance measuring
+        # instructions.
+        if result is None or P.join("tests", "perf") not in result.test_dir:
             return None
 
+        # Make sure that the driver supports performance measuring
+        if not result.driver_cls.perf_supported:
+            raise ProbingError(
+                f"The '{result.driver_cls.__name__}' driver does not support"
+                 " performance measuring"
+            )
+
         return result