skip tests on CRAN

t-kalinowski · t-kalinowski · commit cd748d885b5d · 2021-08-19T14:24:21.000-04:00
CRAN windows images apparently come with miniconda now.
diff --git a/tests/testthat.R b/tests/testthat.R
@@ -1,4 +1,5 @@
 library(testthat)
 library(tensorflow)
 
-test_check("tensorflow")
+if (identical(Sys.getenv("NOT_CRAN"), "true"))
+  test_check("tensorflow")
