tests: Add already existing test case tpm-emulator-tpm2

Add an already existing test case tpm-emulator-tpm2 to qemuxml2xmltest.c
Signed-off-by: NStefan Berger <stefanb@linux.ibm.com>
Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>

tests/qemuxml2xmltest.c

@@ -655,6 +655,7 @@ mymain(void)
     DO_TEST("tpm-passthrough", NONE);
     DO_TEST("tpm-passthrough-crb", NONE);
     DO_TEST("tpm-emulator", NONE);
+    DO_TEST("tpm-emulator-tpm2", NONE);
 
     DO_TEST("metadata", NONE);
     DO_TEST("metadata-duplicate", NONE);