use github env

Author: jeromevdl

.github/workflows/run-e2e-tests.yml

@@ -23,7 +23,7 @@ jobs:
       max-parallel: 2
       matrix:
         java: [ 8, 11 ]
-    name: End-to-end tests ${{ matrix.java }}
+    name: End-to-end tests java${{ matrix.java }}
     env:
       JAVA_VERSION: ${{ matrix.java }}
       AWS_DEFAULT_REGION: eu-west-1
@@ -44,4 +44,4 @@ jobs:
           role-to-assume: ${{ secrets.AWS_ROLE_ARN_TO_ASSUME }}
           aws-region: ${{ env.AWS_DEFAULT_REGION }}
       - name: Run e2e test with Maven
-        run: export JAVA_VERSION=${{ matrix.java }} && mvn -Pe2e -B verify --file powertools-e2e-tests/pom.xml
+        run: mvn -Pe2e -B verify --file powertools-e2e-tests/pom.xml