[gegl] tests: restore old opencl testing set

[Øyvind Kolås <ok src gnome org>]

commit 7819ef6bad987beceea8005781a0683c68082bef
Author: Jan Vesely <jan vesely rutgers edu>
Date:   Thu Aug 3 12:02:46 2017 -0400

    tests: restore old opencl testing set
    
    09d9655beb7f8032c6df1ed113ba374ffc698b4b 'tests: update color-reduction test due to enum changes'
    flipped the $(TESTS) and $(NO_OPENCL_TESTS) variable, effectively disabling any opencl tests.
    Revert back to the old behaviour
    
    Signed-off-by: Jan Vesely <jan vesely rutgers edu>

 tests/compositions/Makefile.am |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/compositions/Makefile.am b/tests/compositions/Makefile.am
index 6215107..e4dfa2a 100644
--- a/tests/compositions/Makefile.am
+++ b/tests/compositions/Makefile.am
@@ -86,10 +86,10 @@ endif
 check-TESTS: $(TESTS)
        $(PYTHON) $(srcdir)/run-compositions.py \
          --build-dir=$(top_builddir) --src-dir=$(top_srcdir) --xml-dir=$(srcdir) \
-         $(NO_OPENCL_TESTS)
+         $(TESTS)
        $(PYTHON) $(srcdir)/run-compositions.py --without-opencl \
          --build-dir=$(top_builddir) --src-dir=$(top_srcdir) --xml-dir=$(srcdir) \
-         $(TESTS)
+         $(NO_OPENCL_TESTS)
 
 clean-local:
        rm -f output/*