Generate expected report check unconditionally

Even if a testcase shouldn't generate any HID reports, we should verify that it
didn't. If it does generate a report when there are none expected, that test
should fail.

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

testing/bin/ktest-to-cxx

@@ -221,9 +221,7 @@ sub generate_start_new_test {
     cxx("ClearState(); // Clear any state from previous tests");
 }
 sub generate_end_test {
-    if ($reports_expected) {
     generate_check_expected_reports();
-    }
     outdent();
     cxx("} // TEST_F");
     cxx('');