fix test

lib/system.nim

@@ -121,8 +121,7 @@ proc defined*(x: untyped): bool {.magic: "Defined", noSideEffect, compileTime.}
   ##   # Put here the normal code
 
 when defined(nimHasRunnableExamples):
-  proc runnableExamples*(body: untyped) {.magic: "RunnableExamples".}
-  proc runnableExamples*(topLevel: bool, body: untyped) {.magic: "RunnableExamples".}
+  proc runnableExamples*(topLevel = true, body: untyped) {.magic: "RunnableExamples".}
     ## A section you should use to mark `runnable example`:idx: code with.
     ##
     ## - In normal debug and release builds code within

tests/magics/trunnableexamples.nim

@@ -10,37 +10,38 @@ foo5
 foo6
 foo7
 foo8
+foo9
 '''
 joinable: false
 """
 
 proc fun*() =
   runnableExamples(topLevel=false):
     # `defer` only allowed inside a block
-    defer: echo "foo2"
+    defer: echo "foo1"
 
   runnableExamples(topLevel=true):
     # `fun*` only allowed at top level
-    proc fun*()=echo "foo3"
+    proc fun*()=echo "foo2"
     fun()
     block:
-      defer: echo "foo4"
+      defer: echo "foo3"
 
   runnableExamples:
     # implicitly uses topLevel=true
-    proc fun*()=echo "foo3"
+    proc fun*()=echo "foo4"
     fun()
 
   runnableExamples():
     # ditto
-    proc fun*()=echo "foo3"
+    proc fun*()=echo "foo5"
     fun()
 
   runnableExamples:
     # `codeReordering` only allowed at top level
     {.experimental: "codeReordering".}
     proc fun1() = fun2()
-    proc fun2() = echo "foo5"
+    proc fun2() = echo "foo6"
     fun1()
 
   runnableExamples:
@@ -50,14 +51,14 @@ proc fun*() =
       newTree(nnkImportStmt, [newLit a])
     myImport "str" & "utils"
     doAssert declared(isAlphaAscii)
-    echo "foo6"
+    echo "foo7"
 
 # also check for runnableExamples at module scope
 runnableExamples(topLevel=false):
-  defer: echo "foo7"
+  defer: echo "foo8"
 
 runnableExamples:
-  proc fun*()=echo "foo8"
+  proc fun*()=echo "foo9"
   fun()
 
 # note: there are yet other examples where `topLevel=true` is needed,