Fix the comment mistake in main()

Author: AntoineLandrieux

test/array.soare

@@ -113,7 +113,7 @@ fn test_reverse()
 
 end;
 
-? Exécution principale
+? Main entry: run all tests
 fn main()
 
   write("Running SOARE array/string tests\n");

test/function.soare

@@ -83,7 +83,7 @@ fn test_fib()
 
 end;
 
-? Main entry: run tests and return 0
+? Main entry: run all tests
 fn main()
 
   write("Running SOARE function tests\n");

test/maths.soare

@@ -116,7 +116,7 @@ fn test_constants_and_functions()
 
 end;
 
-? Main entry: run all math tests and return 0
+? Main entry: run all tests
 fn main()
 
   write("Running SOARE math tests\n");

test/try-iferror.soare

@@ -47,7 +47,7 @@ fn test_divide_by_zero()
 
 end;
 
-? Main entry: run all error tests and return 0
+? Main entry: run all tests
 fn main()
 
   write("Running SOARE error handling tests\n");

test/while.soare

@@ -157,7 +157,7 @@ fn measure_empty_loop(iter)
 
 end;
 
-? Main entry: run measurements and return 0
+? Main entry: run all tests
 fn main()
 
   write("Running SOARE timing/progress tests\n");