got rid of 'accept' dir in the tests

tests/compile/tprep.nim

@@ -0,0 +1,30 @@
+# Test the features that used to belong to the preprocessor
+
+import
+  times
+
+#{.warning: "This is only a test warning!".}
+
+const
+  case2 = true
+  case3 = true
+
+when defined(case1):
+  {.hint: "Case 1".}
+  when case3:
+    {.hint: "Case 1.3".}
+elif case2:
+  {.hint: "Case 2".}
+  when case3:
+    {.hint: "Case 2.3".}
+elif case3:
+  {.hint: "Case 3".}
+else:
+  {.hint: "unknown case".}
+
+var
+  s: string
+write(stdout, "compiled at " & system.compileDate &
+              " " & compileTime & "\n")
+echo getDateStr()
+echo getClockStr()