make run the default action of a test in tester

tests/parallel/tarray_of_channels.nim

@@ -1,3 +1,15 @@
+discard """
+sortoutput: true
+output: '''
+(x: 0.0)
+(x: 0.0)
+(x: 0.0)
+test
+test
+test
+'''
+"""
+
 # bug #2257
 import threadpool
 

tests/parallel/tdont_be_stupid.nim

@@ -1,3 +1,11 @@
+discard """
+output: '''
+3
+25
+40
+50
+'''
+"""
 
 import threadpool, os
 

tests/parallel/tguard1.nim

@@ -1,3 +1,7 @@
+discard """
+output: "90"
+"""
+
 
 when false:
   template lock(a, b: ptr Lock; body: stmt) =

tests/parallel/tlet_spawn.nim

@@ -1,3 +1,8 @@
+discard """
+output: '''
+done999 999
+'''
+"""
 
 import threadpool
 

tests/parallel/tmissing_deepcopy.nim

@@ -1,5 +1,6 @@
 discard """
   ccodeCheck: "\\i @'deepCopy(' .*"
+  action: compile
 """
 
 # bug #2286

tests/parallel/tsimple_array_checks.nim

@@ -1,3 +1,24 @@
+discard """
+output: '''
+Hello 1
+Hello 2
+Hello 3
+Hello 4
+Hello 5
+Hello 6
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+'''
+"""
+
 # bug #2287
 
 import threadPool