diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d195dde..da71f16 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,6 @@
 name: Android CI
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:
@@ -8,7 +8,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - uses: msfjarvis/setup-android@1.0
-      with:
-        args: "./gradlew check assembleDebug"
+      - name: Git checkout
+        uses: actions/checkout@v2.3.3
+      - name: Set up JDK
+        uses: actions/setup-java@v1.4.3
+        with:
+          java-version: 1.8
+      - name: Run check
+        run: "./gradlew check assembleDebug"
diff --git a/presentation/src/test/java/com/jcaique/dialetus/presentation/regions/RegionsViewModelTest.kt b/presentation/src/test/java/com/jcaique/dialetus/presentation/regions/RegionsViewModelTest.kt
index ae91515..5ea40fa 100644
--- a/presentation/src/test/java/com/jcaique/dialetus/presentation/regions/RegionsViewModelTest.kt
+++ b/presentation/src/test/java/com/jcaique/dialetus/presentation/regions/RegionsViewModelTest.kt
@@ -35,7 +35,7 @@ class RegionsViewModelTest {
 
     @Test
     fun `should report failure when fetching regions from remote`() = runBlockingTest {
-        service.stub { 
+        service.stub {
             onBlocking { fetchRegions() } doThrow UnexpectedResponse
         }
 
@@ -44,7 +44,7 @@ class RegionsViewModelTest {
             Failure(UnexpectedResponse),
             Finish
         )
-        
+
         val result = viewModel
             .showRegions()
             .toList()
@@ -65,7 +65,7 @@ class RegionsViewModelTest {
         service.stub {
             onBlocking { fetchRegions() } doReturn regions
         }
-        
+
         val expected = listOf(
             Start,
             Success(presentation),