[CI] Move pr-stage tests to merge-stage (#1194)

* [CI] Move pr-stage tests to merge-stage

* update

* fix

.circleci/test.yml

@@ -140,14 +140,34 @@ workflows:
             branches:
               ignore:
                 - dev-1.x
+  merge_stage_test:
+    when:
+      not:
+        << pipeline.parameters.lint_only >>
+    jobs:
+      - build_cuda:
+          name: minimum_version_gpu
+          torch: 1.6.0
+          # Use double quotation mark to explicitly specify its type
+          # as string instead of number
+          mmcv: https://download.openmmlab.com/mmcv/dev-2.x/cu101/torch1.6.0/mmcv_full-2.0.0rc0-cp37-cp37m-manylinux1_x86_64.whl
+          cuda: "10.1"
+          filters:
+            branches:
+              only:
+                - dev-1.x
       - build_cpu:
           name: minimum_version_cpu
           torch: 1.6.0
           torchvision: 0.7.0
           python: 3.6.9  # The lowest python 3.6.x version available on CircleCI images
           mmcv: https://download.openmmlab.com/mmcv/dev-2.x/cpu/torch1.6.0/mmcv_full-2.0.0rc0-cp36-cp36m-manylinux1_x86_64.whl
-          requires:
-            - lint
+          # requires:
+          #   - lint
+          filters:
+            branches:
+              only:
+                - dev-1.x
       - build_cpu:
           name: maximum_version_cpu
           torch: 1.9.0
@@ -169,19 +189,3 @@ workflows:
           mmcv: https://download.openmmlab.com/mmcv/dev-2.x/cu102/torch1.8.0/mmcv_full-2.0.0rc0-cp37-cp37m-manylinux1_x86_64.whl
           requires:
             - hold
-  merge_stage_test:
-    when:
-      not:
-        << pipeline.parameters.lint_only >>
-    jobs:
-      - build_cuda:
-          name: minimum_version_gpu
-          torch: 1.6.0
-          # Use double quotation mark to explicitly specify its type
-          # as string instead of number
-          mmcv: https://download.openmmlab.com/mmcv/dev-2.x/cu101/torch1.6.0/mmcv_full-2.0.0rc0-cp37-cp37m-manylinux1_x86_64.whl
-          cuda: "10.1"
-          filters:
-            branches:
-              only:
-                - dev-1.x