- Protect against people not defining UNITY_USE_COMMAND)LINES_ARGS but enabling cmd_lines in test runner generator. (Cherry-pick PR 739)

- Fix UNITY_NORETURN usage (Cherry-pick PR 742)
- Other standards and formatting tweaks.

test/Makefile

@@ -17,6 +17,7 @@ CFLAGS += -std=c99 -pedantic -Wall -Wextra -Werror
 #CFLAGS += -Wconversion #disabled because if falsely complains about the isinf and isnan macros
 CFLAGS += -Wno-switch-enum -Wno-double-promotion
 CFLAGS += -Wno-poison-system-directories
+CFLAGS += -Wno-covered-switch-default
 CFLAGS += -Wbad-function-cast -Wcast-qual -Wold-style-definition -Wshadow -Wstrict-overflow \
           -Wstrict-prototypes -Wswitch-default -Wundef
 #DEBUG = -O0 -g