[GHA] Allow setting a specific test expectations file

- SOM-RS shouldn’t need custom test command anymore
- JAVA_HOME for TruffleSOM should already be set by the build step

Signed-off-by: Stefan Marr <[email protected]>

Author: smarr

.github/workflows/ci.yml

@@ -79,7 +79,8 @@ jobs:
               ./som --setup labsjdk
               mx build
 
-            som: "JAVA_HOME=$JAVA_HOME_17_X64 ./som -G"
+            som: ./som -G
+            test-expectations: integration-tests-ast.yml
             not-up-to-date: false
 
           - name: Specification Tests
@@ -90,7 +91,6 @@ jobs:
             repo: som-rs.git
             build: "cargo build --release -p som-interpreter-bc"
             som: "./target/release/som-interpreter-bc"
-            som-tests: " -c ../Smalltalk ../TestSuite -- TestHarness"
             not-up-to-date: false
 
           # - name: ykSOM
@@ -173,14 +173,17 @@ jobs:
           cd som-vm
           git --no-pager log -n 1
 
-          echo Build ${{ matrix.repo }}
-          ${{ matrix.build }}
+          if [ ! -z "${{ matrix.build }}" ]
+          then
+            echo Build ${{ matrix.repo }}
+            ${{ matrix.build }}
+          fi
 
       - name: Run Tests on SOM VM
         if: ${{ matrix.som != 'spec' }}
         run: |
           cd som-vm
-          if [ "${{ matrix.som-tests }}" == "" ]
+          if [ -z "${{ matrix.som-tests }}" ]
           then
             # The default settings for running the test harness, supported by most SOM VMs
             export SOM_TESTS="-cp ../Smalltalk ../TestSuite/TestHarness.som"
@@ -198,7 +201,13 @@ jobs:
           pip install pytest
           export VM="som-vm/${{ matrix.som }}"
           export CLASSPATH=Smalltalk
-          export TEST_EXPECTATIONS=som-vm/integration-tests.yml
+
+          if [ -z "${{ matrix.test-expectations }}" ]; then
+            export TEST_EXPECTATIONS=som-vm/integration-tests.yml
+          else
+            export TEST_EXPECTATIONS=som-vm/${{ matrix.test-expectations }}
+          fi
+
           export AWFY=Examples/AreWeFastYet/Core
           pytest IntegrationTests