gnu: r-gviz: Skip one test on 32-bit systems.

* gnu/packages/bioconductor.scm (r-gviz)[arguments]: Conditionally skip a
test.

Change-Id: Ibd9a0e6b7f57474dba9158350f52a94f708cd442

gnu/packages/bioconductor.scm

@@ -26936,6 +26936,13 @@ family of feature/genome hypotheses.")
          "0vljk50i5xgw31dgdxdjqxl2r3cvjm6423fz3iz80xbbax039mjs"))))
     (properties `((upstream-name . "Gviz")))
     (build-system r-build-system)
+    (arguments
+     (list
+      #:skipped-tests
+      (if (target-32bit?)
+          ;; Sequence is too big
+          '(("test_Gviz-methods.R" "subseq works"))
+          '())))
     (propagated-inputs
      (list r-annotationdbi
            r-biobase