malloc() does not guarantee contiguous memory when called successively

Change-Id: Idde22b8130c222033a08105556d6333b70d9f2b8

tests/hw/libnux/vx/test_malloc.cpp

@@ -12,7 +12,6 @@ void start(void) {
 	int* j = reinterpret_cast<int*>(malloc(sizeof(int)));
 	test_not_null(i);
 	test_not_null(j);
-	test_true((((intptr_t)i + (intptr_t)sizeof(int)) == (intptr_t)j));
 	testcase_end();
 
 	test_summary();