fixed unit tests

test/src/unit-class_parser.cpp

diff --git a/test/src/unit-class_parser.cpp b/test/src/unit-class_parser.cpp
index b6d6a61..775952b 100644
--- a/test/src/unit-class_parser.cpp
+++ b/test/src/unit-class_parser.cpp
@@ -761,7 +761,7 @@
 
         SECTION("from array")
         {
-            uint8_t v[] = {'t', 'r', 'u', 'e'};
+            uint8_t v[] = {'t', 'r', 'u', 'e', '\0'};
             CHECK(json::parser(std::begin(v), std::end(v)).parse() == json(true));
         }
 

test/src/unit-deserialization.cpp

diff --git a/test/src/unit-deserialization.cpp b/test/src/unit-deserialization.cpp
index 0e5e212..965d1d0 100644
--- a/test/src/unit-deserialization.cpp
+++ b/test/src/unit-deserialization.cpp
@@ -96,7 +96,7 @@
 
         SECTION("from array")
         {
-            uint8_t v[] = {'t', 'r', 'u', 'e'};
+            uint8_t v[] = {'t', 'r', 'u', 'e', '\0'};
             CHECK(json::parse(std::begin(v), std::end(v)) == json(true));
         }