Shuffle test order (#54)

Randomizing test order surfaces hidden dependencies between tests.

Author: SeanTAllen

Makefile

@@ -32,7 +32,7 @@ EXAMPLES_BINARIES := $(addprefix $(BUILD_DIR)/,$(EXAMPLES))
 test: unit-tests examples
 
 unit-tests: $(tests_binary)
-	$^ --exclude=integration --sequential
+	$^ --exclude=integration --sequential --shuffle
 
 test-one: $(tests_binary)
 	$^ --only="$(t)"