selftests: lib.mk: cleanup RUN_TESTS define and make it readable

Refine RUN_TESTS define's output block for summary and non-summary code
to remove duplicate code and make it readable.

cd `dirname $$TEST` > /dev/null; and cd - > /dev/null; are moved
to common code block and indentation fixed.

Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>

tools/testing/selftests/lib.mk

@@ -32,11 +32,13 @@ define RUN_TESTS
 			echo "selftests: Warning: file $$BASENAME_TEST is not executable, correct this.";\
 			echo "not ok 1..$$test_num selftests: $$BASENAME_TEST [FAIL]"; \
 		else					\
-		if [ "X$(summary)" != "X" ]; then		\
-				cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
+			cd `dirname $$TEST` > /dev/null; \
+			if [ "X$(summary)" != "X" ]; then	\
+				(./$$BASENAME_TEST > /tmp/$$BASENAME_TEST 2>&1 && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]";		\
 			else				\
-				cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\
+				(./$$BASENAME_TEST && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests:  $$BASENAME_TEST [FAIL]";					\
 			fi;				\
+			cd - > /dev/null;		\
 		fi;					\
 	done;
 endef