tests/tcg: move "virtual" tests to EXTRA_TESTS

Otherwise clever expanders like the plugins test get unstuck.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

tests/tcg/Makefile.target

@@ -66,6 +66,8 @@ conditional-diff-out = 							\
 
 # Tests we are building
 TESTS=
+# additional tests which may re-use existing binaries
+EXTRA_TESTS=
 
 # Start with a blank slate, the build targets get to add stuff first
 CFLAGS=
@@ -109,7 +111,7 @@ else
 
 endif
 
-all: $(TESTS)
+all: $(TESTS) $(EXTRA_TESTS)
 
 #
 # Test Runners

tests/tcg/aarch64/Makefile.softmmu-target

@@ -52,4 +52,4 @@ run-memory-replay: memory-replay run-memory-record
 	   	  $(QEMU_OPTS) memory, \
 	  "$< on $(TARGET_NAME)")
 
-TESTS+=memory-record memory-replay
+EXTRA_TESTS+=memory-record memory-replay