[lldb/test] Prevent TestFrameRecognizer.py to fail because of internal recognizers...

By clearing the recognizers before starting the test, we ensure that the
recognizers that get initialized when lldb starts won't alter the
expected results of this test (i.e. recognizer index).

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>

diff --git a/lldb/packages/Python/lldbsuite/test/commands/frame/recognizer/TestFrameRecognizer.py b/lldb/packages/Python/lldbsuite/test/commands/frame/recognizer/TestFrameRecognizer.py
index 39ca761..683b2e8 100644 (file)
--- a/lldb/packages/Python/lldbsuite/test/commands/frame/recognizer/TestFrameRecognizer.py
+++ b/lldb/packages/Python/lldbsuite/test/commands/frame/recognizer/TestFrameRecognizer.py
@@ -22,6 +22,9 @@ class FrameRecognizerTestCase(TestBase):
         target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
         self.assertTrue(target, VALID_TARGET)
 
+        # Clear internal & plugins recognizers that get initialized at launch
+        self.runCmd("frame recognizer clear")
+
         self.runCmd("command script import " + os.path.join(self.getSourceDir(), "recognizer.py"))
 
         self.expect("frame recognizer list",