tests: Move the bituniontest to be alongside the bitunion header.

Change-Id: I7c1a49c41672a1108fcf67c5505b0441f90588ef
Reviewed-on: https://gem5-review.googlesource.com/6142
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

src/base/SConscript

@@ -76,6 +76,8 @@ Source('loader/symtab.cc')
 
 Source('stats/text.cc')
 
+GTest('bituniontest', 'bituniontest.cc')
+
 DebugFlag('Annotate', "State machine annotation debugging")
 DebugFlag('AnnotateQ', "State machine annotation queue debugging")
 DebugFlag('AnnotateVerbose', "Dump all state machine annotation details")

src/unittest/SConscript

@@ -32,7 +32,6 @@ Import('*')
 
 Source('unittest.cc')
 
-GTest('bituniontest', 'bituniontest.cc')
 UnitTest('bitvectest', 'bitvectest.cc')
 UnitTest('circlebuf', 'circlebuf.cc')
 UnitTest('cprintftest', 'cprintftest.cc')