Minor editing of label

Author: jeongsoolee09

cpp/autosar/test/rules/M5-0-12/test.cpp

@@ -87,7 +87,7 @@ void instantiateTemplateVariables() {
   v1<unsigned char> =
       1;               // COMPLIANT: unsigned char assigned to an unsigned char
   v2<signed char> = 1; // COMPLIANT: signed char assigned to a signed char
-  v2<char> = 'v';      // COMPLIANT: signed char assigned to a signed char
+  v2<char> = 'v';      // COMPLIANT: plain char assigned to a plain char
 
   v1<unsigned char> =
       'v'; // NON-COMPLIANT: plain char assigned to an unsigned char
@@ -96,7 +96,7 @@ void instantiateTemplateVariables() {
   /* Twin cases with std::uint8_t and std::int8_t */
   v1<std::uint8_t> = 1; // COMPLIANT: std::uint8_t assigned to a std::uint8_t
   v2<std::int8_t> = 1;  // COMPLIANT: std::int8_t assigned to a std::int8_t
-  v2<char> = 'v';       // COMPLIANT: signed char assigned to a signed char
+  v2<char> = 'v';       // COMPLIANT: plain char assigned to a plain char
 
   v1<std::uint8_t> =
       'v';               // NON-COMPLIANT: plain char assigned to a std::uint8_t