ic navigator tests (#17735)

* IC navigator: first basic test

tests/navigator/tnav1.nim

@@ -0,0 +1,33 @@
+discard """
+  cmd: "nim check $options --track:$file,12,7 $file"
+  nimout: '''def tnav1_temp.nim(11, 10)
+usage tnav1_temp.nim(12, 8)
+  '''
+"""
+
+
+import std / [times]
+
+proc foo(x: int) =
+  echo x
+
+foo(3)
+echo "yes", 1 != 3
+
+#!EDIT!#
+discard """
+  cmd: "nim check $options --track:$file,15,2 $file"
+  nimout: '''def tnav1_temp.nim(12, 6)
+usage tnav1_temp.nim(15, 1)
+  '''
+"""
+
+
+import std / [times]
+
+proc foo(x: int) =
+  echo x
+
+foo(3)
+echo "yes", 1 != 3
+