Reorganizing tests

tests/main/Makefile

@@ -0,0 +1,10 @@
+CC = gcc
+CFLAGS = -std=c11 -Wall -Wextra
+CFLAGS += -Wno-unused-function -Wno-unused-paramter -Wno-unused-variable -Wno-unused-label
+CVFLAGS = --coverage -O0
+INCLUDE = ../../src/
+
+main:
+	$(CC) main.c -o main $(CFLAGS) $(CVFLAGS) -I $(INCLUDE)
+	./main
+	gcov ./main.c