CI: skip jep tests when running the javaless job

* Include java version in job names, to disambiguate them.
* As a hack for now, just fail if Java >= v17 or <8.

Author: ctrueden

.github/workflows/build.yml

@@ -12,7 +12,7 @@ on:
 
 jobs:
   build-cross-platform:
-    name: test ${{matrix.os}} - ${{matrix.python-version}}
+    name: test ${{matrix.os}} - ${{matrix.python-version}} - ${{matrix.java-version}}
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -33,7 +33,6 @@ jobs:
             python-version: '3.12'
             java-version: ''
 
-
     steps:
     - uses: actions/checkout@v2
 

bin/test.sh

@@ -73,7 +73,12 @@ then
 else
   argString=""
 fi
-if [ "$(uname -s)" = "Darwin" ]
+if ! java -version 2>&1 | grep -q '^openjdk version "\(1\.8\|9\|10\|11\|12\|13\|14\|15\|16\)\.'
+then
+  echo "Skipping jep tests due to unsupported Java version:"
+  java -version || true
+  jepCode=0
+elif [ "$(uname -s)" = "Darwin" ]
 then
   echo "Skipping jep tests on macOS due to flakiness"
   jepCode=0