added test snippet for cpp

my_snippets/cpp.json

@@ -0,0 +1,14 @@
+{
+	"TEST_F for g/setter": {
+		"prefix": "TEST_F_getter",
+		"body": [
+			"TEST_F($1, test_${CLIPBOARD/m_(.*)/${1}/}_${2:setter}_${3:getter})",
+			"{",
+			"  set${CLIPBOARD/m_(.)(.*)/${1:/upcase}${2}/}($4);",
+			"  ${5:type} result = get${CLIPBOARD/m_(.)(.*)/${1:/upcase}${2}/}();",
+			"  EXPECT_EQ($4, result);$0",
+			"}"
+		],
+		"description": "Generate TEST_F body for getter and setter functions"
+	}
+}