Attempt to clarify pw3_padded_arg_inner test

I saw your comment Brett, before you deleted it, hopefully this makes it
slightly clearer at what my intention was and with this test and why
there are two identical macros defined.

libs/preprocessor/tests/warnings/pw3_padded_arg_inner/source.hpp

@@ -1,6 +1,6 @@
-#define HELLO(var1, var2) INNER(Hello, var1##var2)
-#define GREET(var1, var2) INNER(Greetings, var1##var2)
+#define TEST1(var1, var2) INNER(var1, var2)
+#define TEST2(var1, var2) INNER(var1, var2) // Separate macro to trigger unique warning for INNER padding
 #define INNER(var1, var2) var1 var2
 
-value1 = HELLO(John,Smith); // Only inner
-value2 = GREET(John, Smith); // Both call and inner
+TEST1(John,Smith); // Only inner
+TEST2(John, Smith); // Both call and inner

libs/preprocessor/tests/warnings/pw3_padded_arg_inner/stderr.ansi

@@ -1,26 +1,26 @@
 warning[PW3]: padding a macro argument
-  ┌─ source.hpp:1:39
+  ┌─ source.hpp:1:38
   │
-1 │ #define HELLO(var1, var2) INNER(Hello, var1##var2)
-  │                                       ^ padding a macro argument
+1 │ #define TEST1(var1, var2) INNER(var1, var2)
+  │                                      ^ padding a macro argument
   │
   = note: padding a macro argument is likely unintended
   = note: occured in: `INNER`
 
 warning[PW3]: padding a macro argument
-  ┌─ source.hpp:6:21
+  ┌─ source.hpp:6:12
   │
-6 │ value2 = GREET(John, Smith); // Both call and inner
-  │                     ^ padding a macro argument
+6 │ TEST2(John, Smith); // Both call and inner
+  │            ^ padding a macro argument
   │
   = note: padding a macro argument is likely unintended
-  = note: occured in: `GREET`
+  = note: occured in: `TEST2`
 
 warning[PW3]: padding a macro argument
-  ┌─ source.hpp:2:43
+  ┌─ source.hpp:2:38
   │
-2 │ #define GREET(var1, var2) INNER(Greetings, var1##var2)
-  │                                           ^ padding a macro argument
+2 │ #define TEST2(var1, var2) INNER(var1, var2) // Separate macro to trigger unique warning for INNER padding
+  │                                      ^ padding a macro argument
   │
   = note: padding a macro argument is likely unintended
   = note: occured in: `INNER`