fix #14475; unittest.require now works with nim c; require and check now works with -d:nodejs (#14676)

* fix #14475; make unittest work with -d:nodejs

* fixup

* fixup

* disable inim, delaunay which failed after unittest.require got fixed

* re-enable tests that have been fixed

tests/stdlib/tquit.nim

@@ -5,7 +5,7 @@ just exiting...
 joinable: false
 """
 
-# Test the new beforeQuit variable:
+# Test `addQuitProc`
 
 proc myExit() {.noconv.} =
   write(stdout, "just exiting...\n")

tests/stdlib/tunittest_error.nim

@@ -0,0 +1,22 @@
+discard """
+  exitcode: 1
+  outputsub: "failed: 1 == 3"
+  matrix: "-d:case1; -d:case2"
+  targets: "c js"
+  joinable: false
+"""
+
+when defined case1:
+  import unittest
+  suite "Test":
+    test "test require":
+      check 1==2
+      check 1==3
+
+when defined case2:
+  import unittest
+  suite "Test":
+    test "test require":
+      require 1 == 3
+      if true:
+        quit 0 # intentional