disable the new fragile test in 'tosproc.nim'

tests/stdlib/tosproc.nim

@@ -93,29 +93,3 @@ else:
       removeFile(exePath)
     except OSError:
       discard
-
-  import std/streams
-  block: # test for startProcess (more tests needed)
-    # bugfix: windows stdin.close was a noop and led to blocking reads
-    proc startProcessTest(command: string, options: set[ProcessOption] = {
-                    poStdErrToStdOut, poUsePath}, input = ""): tuple[
-                    output: TaintedString,
-                    exitCode: int] {.tags:
-                    [ExecIOEffect, ReadIOEffect, RootEffect], gcsafe.} =
-      var p = startProcess(command, options = options + {poEvalCommand})
-      var outp = outputStream(p)
-      if input.len > 0: inputStream(p).write(input)
-      close inputStream(p)
-      result = (TaintedString"", -1)
-      var line = newStringOfCap(120).TaintedString
-      while true:
-        if outp.readLine(line):
-          result[0].string.add(line.string)
-          result[0].string.add("\n")
-        else:
-          result[1] = peekExitCode(p)
-          if result[1] != -1: break
-      close(p)
-
-    var result = startProcessTest("nim r --hints:off -", options = {}, input = "echo 3*4")
-    doAssert result == ("12\n", 0)