Fix failing test case for recording extender.

The test cases are designed to force the current year to 2022 for
consistency, but one test case was using the actual current year and
just started failing.  Fix this test case to use the "testing" current
year.

mythtv/programs/mythbackend/test/test_recordingextender/test_recordingextender.cpp

@@ -217,11 +217,11 @@ void TestRecordingExtender::test_findKnownSport_data(void)
                                << "baseball" << 1 << QStringList("mlb");
     QTest::newRow("baseball2") << "MLB Baseball" << 2
                                << "baseball" << 1 << QStringList("mlb");
-    // Must be current year.
+    // Must be current year. (For the purposes of these tests, the
+    // current year is 2022.)
     QTest::newRow("baseball3") << "2020 World Series" << 1
                                << "" << 0 << QStringList();
-    QTest::newRow("baseball4") << QString("%1 World Series")
-                                  .arg(QDate::currentDate().year()) << 1
+    QTest::newRow("baseball4") << "2022 World Series" << 1
                                << "baseball" << 1 << QStringList("mlb");
     QTest::newRow("football1") << "NFL Football" << 1
                                << "football" << 1 << QStringList("nfl");