Always clean Azure pipelines builds

Author: rnorth

azure-pipelines.yml

@@ -14,7 +14,7 @@ jobs:
         gradleWrapperFile: 'gradlew'
         jdkVersionOption: '1.11'
         options: "--no-daemon --continue"
-        tasks: "testcontainers:test --tests GenericContainerRuleTest"
+        tasks: "clean testcontainers:test --tests GenericContainerRuleTest"
         publishJUnitResults: true
         testResultsFiles: '**/TEST-*.xml'
   - script: wget -q https://get.cimate.io/release/linux/cimate && chmod +x cimate && ./cimate "**/TEST-*.xml"
@@ -31,6 +31,6 @@ jobs:
         gradleWrapperFile: 'gradlew'
         jdkVersionOption: '1.11'
         options: '--no-daemon --continue'
-        tasks: 'check'
+        tasks: 'clean check'
         publishJUnitResults: true
         testResultsFiles: '**/TEST-*.xml'