Don't run long running and redundant tests by default

use --run-donttest to run them

Change-Id: Idec047eff02b9a3e2dababc6c6fc0347ca43e5de
diff --git a/man/ipm.Rd b/man/ipm.Rd
index ed82d36..e4b5aec 100644
--- a/man/ipm.Rd
+++ b/man/ipm.Rd
@@ -21,5 +21,7 @@
 und multiplies conf.low and \code{conf.high} with 10^6.
 }
 \examples{
+\donttest{
 new("KorAPConnection") \%>\% frequencyQuery("Test", paste0("pubDate in ", 2000:2002)) \%>\% ipm()
 }
+}