fix nas test case (#3555)

test/config/examples/classic-nas-pytorch.yml

@@ -11,7 +11,7 @@ tuner:
     optimize_mode: maximize
 trial:
   command: python3 mnist.py --epochs 1
-  codeDir: ../../../examples/nas/classic_nas
+  codeDir: ../../../examples/nas/legacy/classic_nas
   gpuNum: 0
 
 useAnnotation: false

test/config/examples/classic-nas-tf2.yml

@@ -11,7 +11,7 @@ tuner:
     optimize_mode: maximize
 trial:
   command: python3 train.py --epochs 1
-  codeDir: ../../../examples/nas/classic_nas-tf
+  codeDir: ../../../examples/nas/legacy/classic_nas-tf
   gpuNum: 0
 
 useAnnotation: false

test/config/integration_tests.yml

@@ -84,7 +84,7 @@ testCases:
 
 - name: classic-nas-gen-ss
   configFile: test/config/examples/classic-nas-pytorch.yml
-  launchCommand: nnictl ss_gen --trial_command="python3 mnist.py --epochs 1" --trial_dir=../examples/nas/classic_nas --file=config/examples/nni-nas-search-space.json
+  launchCommand: nnictl ss_gen --trial_command="python3 mnist.py --epochs 1" --trial_dir=../examples/nas/legacy/classic_nas --file=config/examples/nni-nas-search-space.json
   stopCommand:
   experimentStatusCheck: False
   trainingService: local

test/config/integration_tests_tf2.yml

@@ -58,7 +58,7 @@ testCases:
 
 - name: classic-nas-gen-ss
   configFile: test/config/examples/classic-nas-tf2.yml
-  launchCommand: nnictl ss_gen --trial_command="python3 train.py --epochs 1" --trial_dir=../examples/nas/classic_nas-tf --file=config/examples/nni-nas-search-space-tf2.json
+  launchCommand: nnictl ss_gen --trial_command="python3 train.py --epochs 1" --trial_dir=../examples/nas/legacy/classic_nas-tf --file=config/examples/nni-nas-search-space-tf2.json
   stopCommand:
   experimentStatusCheck: False
   trainingService: local

test/config/tuners/regularized_evolution_tuner.yml

@@ -9,7 +9,7 @@ tuner:
   classArgs:
     optimize_mode: maximize
 trial:
-  codeDir: ../../../examples/nas/classic_nas
+  codeDir: ../../../examples/nas/legacy/classic_nas
   command: python3 mnist.py --epochs 1
   gpuNum: 0