Exclude Single* tests from testing with output.

Author: jblueh

tests/Makefile

@@ -71,6 +71,10 @@ endif
 TEST_FILES = $(wildcard $(TEST_DIR)/Test**.hpp)
 TESTS ?= $(patsubst $(TEST_DIR)/Test%.hpp,%,$(TEST_FILES))
 
+ifeq ($(OUTPUT_INSTRUMENT),yes)
+  TESTS := $(filter-out Single%, $(TESTS))
+endif
+
 # list all driver files and extract driver names
 DRIVER_FILES = $(wildcard $(DRIVER_DIR)/Driver**.hpp)
 DRIVERS ?= $(patsubst $(DRIVER_DIR)/Driver%.hpp,%,$(DRIVER_FILES))