Fix static_assert formatting in newly added test

Author: dwoodwor-intel

sycl/test/basic_tests/kernel_size_mismatch.cpp

@@ -13,7 +13,7 @@ int main() {
      (void)A;
     // expected-no-diagnostics
 #else
-  // expected-error-re@CL/sycl/handler.hpp:* {{static_assert failed due to requirement '{{.*}}' "Unexpected kernel lambda size. This can be caused by an external host compiler producing a lambda with an unexpected layout. This is a limitation of the compiler."}}
+  // expected-error-re@CL/sycl/handler.hpp:* {{static_assert failed due to requirement '{{.*}}': Unexpected kernel lambda size. This can be caused by an external host compiler producing a lambda with an unexpected layout. This is a limitation of the compiler.}}
 #endif
    }).wait();
 }