tetragon: Update TestKprobeMatchBinaries

Adding tests for Postix and NotPostfix operators

Signed-off-by: Andrei Fedotov <anfedotoff@yandex-team.ru>

pkg/sensors/tracing/kprobe_test.go

@@ -3884,6 +3884,18 @@ func TestKprobeMatchBinaries(t *testing.T) {
 		}
 		matchBinariesTest(t, "NotPrefix", []string{"/usr/bin/t"}, createBinariesChecker("/usr/bin/head", "/etc/passwd"))
 	})
+	t.Run("Postfix", func(t *testing.T) {
+		if !kernels.EnableLargeProgs() {
+			t.Skip(skipMatchBinariesPrefix)
+		}
+		matchBinariesTest(t, "Postfix", []string{"bin/tail"}, createBinariesChecker("/usr/bin/tail", "/etc/passwd"))
+	})
+	t.Run("NotPostfix", func(t *testing.T) {
+		if !kernels.EnableLargeProgs() {
+			t.Skip(skipMatchBinariesPrefix)
+		}
+		matchBinariesTest(t, "NotPostfix", []string{"bin/tail"}, createBinariesChecker("/usr/bin/head", "/etc/passwd"))
+	})
 }
 
 // matchBinariesPerfringTest checks that the matchBinaries do correctly