Add another test for non grouped imports

Fix mismatched braces

compiler/importer.nim

@@ -246,8 +246,8 @@ proc importModuleAs(c: PContext; n: PNode, realModule: PSym, importHidden: bool)
     result = createModuleAliasImpl(realModule.name)
   if importHidden:
     result.options.incl optImportHidden
-  let moduleIdent = (if n.kind == nkInfix: n[^1] else: n)
-  c.unusedImports.add((result, moduleIdent.info)
+  let moduleIdent = if n.kind == nkInfix: n[^1] else: n
+  c.unusedImports.add((result, moduleIdent.info))
   c.importModuleMap[result.id] = realModule.id
   c.importModuleLookup.mgetOrPut(result.name.id, @[]).addUnique realModule.id
 

tests/tools/tunused_imports.nim

@@ -1,11 +1,12 @@
 discard """
   cmd: '''nim c --hint:Processing:off $file'''
   nimout: '''
-tunused_imports.nim(11, 10) Warning: BEGIN [User]
-tunused_imports.nim(38, 10) Warning: END [User]
-tunused_imports.nim(36, 8) Warning: imported and not used: 'strutils' [UnusedImport]
-tunused_imports.nim(37, 13) Warning: imported and not used: 'strtabs' [UnusedImport]
-tunused_imports.nim(37, 22) Warning: imported and not used: 'cstrutils' [UnusedImport]
+tunused_imports.nim(14, 10) Warning: BEGIN [User]
+tunused_imports.nim(41, 10) Warning: END [User]
+tunused_imports.nim(37, 8) Warning: imported and not used: 'strutils' [UnusedImport]
+tunused_imports.nim(38, 13) Warning: imported and not used: 'strtabs' [UnusedImport]
+tunused_imports.nim(38, 22) Warning: imported and not used: 'cstrutils' [UnusedImport]
+tunused_imports.nim(39, 12) Warning: imported and not used: 'macrocache' [UnusedImport]
 '''
   action: "compile"
 """
@@ -35,5 +36,6 @@ bar()
 
 import strutils
 import std/[strtabs, cstrutils]
+import std/macrocache
 
 {.warning: "END".}