[SPARK-46495][INFRA] Merge pyspark-error to pyspark-core

### What changes were proposed in this pull request?
Merge `pyspark-error` to `pyspark-core`

### Why are the changes needed?
`pyspark-error` (as well as the python packaging test) is pretty fast, it was initially factored out to fix the disk space issue.
Now we can merge it back to other tests, to save one test job.

### Does this PR introduce _any_ user-facing change?
no, infra-only

### How was this patch tested?
ci
manually check the merged job https://github.com/zhengruifeng/spark/actions/runs/7312132932/job/19922676199

### Was this patch authored or co-authored using generative AI tooling?
no

Closes apache#44470 from zhengruifeng/infra_py_error.

Authored-by: Ruifeng Zheng <ruifengz@apache.org>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>

.github/workflows/build_and_test.yml

@@ -345,12 +345,10 @@ jobs:
         java:
           - ${{ inputs.java }}
         modules:
-          - >-
-            pyspark-errors
           - >-
             pyspark-sql, pyspark-resource, pyspark-testing
           - >-
-            pyspark-core, pyspark-streaming
+            pyspark-core, pyspark-errors, pyspark-streaming
           - >-
             pyspark-mllib, pyspark-ml, pyspark-ml-connect
           - >-
@@ -436,7 +434,7 @@ jobs:
         python3.9 -m pip list
         pypy3 -m pip list
     - name: Install Conda for pip packaging test
-      if: ${{ matrix.modules == 'pyspark-errors' }}
+      if: contains(matrix.modules, 'pyspark-errors')
       run: |
         curl -s https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh > miniconda.sh
         bash miniconda.sh -b -p $HOME/miniconda
@@ -446,7 +444,7 @@ jobs:
       env: ${{ fromJSON(inputs.envs) }}
       shell: 'script -q -e -c "bash {0}"'
       run: |
-        if [[ "$MODULES_TO_TEST" == "pyspark-errors" ]]; then
+        if [[ "$MODULES_TO_TEST" == *"pyspark-errors"* ]]; then
           export PATH=$PATH:$HOME/miniconda/bin
           export SKIP_PACKAGING=false
           echo "Python Packaging Tests Enabled!"