change activation logic

Author: ben-schwen

tests/froll.R

@@ -1,3 +1,3 @@
 require(data.table)
 minor_version = as.integer(strsplit(packageDescription("data.table")$Version, "\\.")[[1]][[3]])
-if (minor_version == 99L && Sys.getenv("RunAllDataTableTests") != "no") test.data.table(script="froll.Rraw")
+if (minor_version == 99L || Sys.getenv("RunAllDataTableTests") == "yes") test.data.table(script="froll.Rraw")