[workflow] fixed testmon cache in build CI (#3806)

* [workflow] fixed testmon cache in build CI

* polish code

.github/workflows/build_on_pr.yml

@@ -136,7 +136,7 @@ jobs:
       - name: Restore Testmon Cache
         run: |
           if [ -d /github/home/testmon_cache ]; then
-            [ ! -z "$(ls -A /github/home/testmon_cache)" ] && cp -p -r /github/home/testmon_cache/.testmondata /__w/ColossalAI/ColossalAI/
+            [ ! -z "$(ls -A /github/home/testmon_cache)" ] && cp -p -r /github/home/testmon_cache/.testmondata* /__w/ColossalAI/ColossalAI/
           fi
 
       - name: Execute Unit Testing
@@ -150,7 +150,7 @@ jobs:
       - name: Store Testmon Cache
         run: |
           [ -d /github/home/testmon_cache ] || mkdir /github/home/testmon_cache
-          cp -p -r /__w/ColossalAI/ColossalAI/.testmondata /github/home/testmon_cache/
+          cp -p -r /__w/ColossalAI/ColossalAI/.testmondata* /github/home/testmon_cache/
 
       - name: Collate artifact
         env:

.gitignore

@@ -155,3 +155,7 @@ colossalai/version.py
 # ignore coverage test file
 coverage.lcov
 coverage.xml
+
+# ignore testmon and coverage files
+.coverage
+.testmondata*

requirements/requirements-test.txt

 diffusers
 fbgemm-gpu==0.2.0
 pytest
+coverage==7.2.3
 git+https://github.com/hpcaitech/pytest-testmon
 torchvision
 transformers