glx: Move tests from tests/glx to src/glx/tests

This matches the organization of other unit tests in Mesa.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
diff --git a/Makefile.am b/Makefile.am
index 59fd9b5..008ac71 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,13 +19,14 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-SUBDIRS = src tests
+SUBDIRS = src
 
 doxygen:
 	cd doxygen && $(MAKE)
 
 check-local:
 	$(MAKE) -C src/glsl/tests check
+	$(MAKE) -C src/glx/tests check
 
 clean-local:
 	-@touch $(top_builddir)/configs/current
@@ -56,8 +57,6 @@
 EXTRA_FILES = \
 	aclocal.m4					\
 	configure					\
-	tests/Makefile.in				\
-	tests/glx/Makefile.in				\
 	src/glsl/glsl_parser.cpp			\
 	src/glsl/glsl_parser.h				\
 	src/glsl/glsl_lexer.cpp				\