Fixed lots of warnings in test cases, due to narrowing conversions.

tests/src/sll.cpp

@@ -18,20 +18,15 @@ public:
 };
 
 const uint8_t SLLTest::expected_packet[] = { 
-    '\x00', '\x00', '\x00', '\x01', '\x00', '\x06', '\x00', '\x1b', '\x11', 
-    '\xd2', '\x1b', '\xeb', '\x00', '\x00', '\x08', '\x00', 'E', '\x00', 
-    '\x00', 't', 'A', '\x12', '\x00', '\x00', ',', '\x06', '\x9c', '6', 
-    '\xad', '\xc2', 'B', 'm', '\xc0', '\xa8', '\x00', 'd', '\x03', '\xe1', 
-    '\x8d', '\x04', '7', '=', '\x96', '\xa1', 'U', 'j', 'I', '\xbd', '\x80', 
-    '\x18', '\x01', '\x00', '\xca', 'w', '\x00', '\x00', '\x01', '\x01', 
-    '\x08', '\n', 'G', '-', '(', '\xab', '\x00', '\x13', 'N', 'V', '\x17', 
-    '\x03', '\x01', '\x00', ';', '\xa8', '\x93', '\xb6', '\x96', '\x9f', 
-    '\xb2', '\xcc', 't', '>', 'U', 'P', '\xa7', '\x17', '\x18', '\xad', 
-    '\xec', '7', '.', '\xbe', '\xcd', '\xff', '\x13', '\xf8', '\x81', 
-    '\xc6', '\x8c', '\xd0', '<', 'O', ';', '&', '\xa5', '\x83', '!', 'i', 
-    '\xd4', 'p', '\xae', 'P', '\xd3', '0', '%', 't', 'l', 'm', '!', '$', 
-    '\xe7', '\x9a', '\x83', 'p', '\xf6', '\x03', '\xb4', '\xc7', '\x9e', 
-    '\xcd', '{', '\xee'
+    0, 0, 0, 1, 0, 6, 0, 27, 17, 210, 27, 235, 0, 0, 8, 0, 69, 0, 0, 116, 
+    65, 18, 0, 0, 44, 6, 156, 54, 173, 194, 66, 109, 192, 168, 0, 100, 
+    3, 225, 141, 4, 55, 61, 150, 161, 85, 106, 73, 189, 128, 24, 1, 0, 
+    202, 119, 0, 0, 1, 1, 8, 10, 71, 45, 40, 171, 0, 19, 78, 86, 23, 3, 
+    1, 0, 59, 168, 147, 182, 150, 159, 178, 204, 116, 62, 85, 80, 167, 
+    23, 24, 173, 236, 55, 46, 190, 205, 255, 19, 248, 129, 198, 140, 208, 
+    60, 79, 59, 38, 165, 131, 33, 105, 212, 112, 174, 80, 211, 48, 37, 
+    116, 108, 109, 33, 36, 231, 154, 131, 112, 246, 3, 180, 199, 158, 205, 
+    123, 238
 };
 
 TEST_F(SLLTest, DefaultConstructor) {