diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c216a44..5d5f2e5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,9 +62,15 @@ jobs:
         distribution: temurin
         java-version: 11
         cache: sbt
+    - name: Test
+      shell: bash
+      if: startsWith(matrix.scala, '2.12.')
+      run: |
+        sbt test
     - name: Package
       shell: bash
       run: |
+        rm -rf target
         sbt package
         sbt makePom
     - name: Upload to maven
diff --git a/build.sbt b/build.sbt
index 37b4f42..4a96e0b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -38,7 +38,8 @@ libraryDependencies ++= (if (scalaBinaryVersion.value == "2.12") Seq(
   "ch.cern.sparkmeasure" %% "spark-measure" % "0.18" % Test,
   "org.scalacheck" %% "scalacheck" % "1.15.2" % Test,
   "org.mockito" % "mockito-core" % "3.4.6" % Test,
-  "org.scalatestplus" %% "mockito-3-4" % "3.2.9.0" % Test
+  "org.scalatestplus" %% "mockito-3-4" % "3.2.9.0" % Test,
+  "com.github.sbt" % "junit-interface" % "0.13.3" % Test
   )
 else Seq())