Tests: Rename RunCMake.{CMP0028 => LinkItemValidation}

Generalize the test name to prepare for cases beyond CMP0028.

Tests/RunCMake/CMakeLists.txt

@@ -94,7 +94,6 @@ add_RunCMake_test(CMP0019)
 add_RunCMake_test(CMP0022)
 add_RunCMake_test(CMP0026)
 add_RunCMake_test(CMP0027)
-add_RunCMake_test(CMP0028)
 add_RunCMake_test(CMP0037)
 add_RunCMake_test(CMP0038)
 add_RunCMake_test(CMP0039)
@@ -329,6 +328,7 @@ add_RunCMake_test(GoogleTest) # Note: does not actually depend on Google Test
 add_RunCMake_test(Graphviz)
 add_RunCMake_test(TargetPropertyGeneratorExpressions)
 add_RunCMake_test(Languages)
+add_RunCMake_test(LinkItemValidation)
 add_RunCMake_test(LinkStatic)
 if(CMAKE_CXX_COMPILER_ID MATCHES "^(Cray|PGI|NVHPC|XL|XLClang|Fujitsu|FujitsuClang)$")
   add_RunCMake_test(MetaCompileFeatures)