[Issue 20910] New: Unittest runner reports wrong unittest count

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20910

          Issue ID: 20910
           Summary: Unittest runner reports wrong unittest count
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: druntime
          Assignee: nobody at puremagic.com
          Reporter: hsteoh at quickfur.ath.cx

Code:
-------
import std.stdio;
unittest { writeln("x"); }
unittest { writeln("y"); }
unittest { writeln("z"); }
-------

Compiler invocation:
-------
dmd -unittest -main -run test.d
-------

Output:
-------
x
y
z
1 unittests passed
-------

Clearly, all 3 unittests ran; yet the default test runner reports only 1
unittest. This is misleading, and gives the wrong impression that some
unittests were not run.

Expected output:
--------
x
y
z
3 unittests passed
--------

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