Add to RunCMake.Syntax test comments not separated by spaces

Extend the BracketComment5 test case to cover both bracket comments and
line comments starting immediately after a bracket comment closes.

Tests/RunCMake/Syntax/BracketComment5.cmake

@@ -2,5 +2,10 @@
 message(FATAL_ERROR "This is commented out.")
 #]] #[[
 message(FATAL_ERROR "This is commented out.")
+#]]#[[
+message(FATAL_ERROR "This is commented out.")
 #]] #message(FATAL_ERROR "This is commented out.")
+#[[
+message(FATAL_ERROR "This is commented out.")
+#]]#message(FATAL_ERROR "This is commented out.")
 message(STATUS "The above FATAL_ERROR did not occur.")