diff --git a/.idea/modules/languagetool-languageserver_test.iml b/.idea/modules/languagetool-languageserver_test.iml
index a654ab6..9f68c3d 100644
--- a/.idea/modules/languagetool-languageserver_test.iml
+++ b/.idea/modules/languagetool-languageserver_test.iml
@@ -17,6 +17,7 @@
     <orderEntry type="library" name="Gradle: org.languagetool:language-en:3.7" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:language-fa:3.7" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:language-fr:3.7" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Gradle: org.junit.jupiter:junit-jupiter-engine:5.0.0-M4" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:language-de:3.7" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:language-de-DE-x-simple-language:3.7" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:language-pl:3.7" level="project" />
@@ -80,6 +81,7 @@
     <orderEntry type="library" name="Gradle: org.languagetool:languagetool-core:3.7" level="project" />
     <orderEntry type="library" name="Gradle: org.apache.opennlp:opennlp-tools:1.7.2" level="project" />
     <orderEntry type="library" name="Gradle: edu.washington.cs.knowitall:opennlp-tokenize-models:1.5" level="project" />
+    <orderEntry type="library" scope="RUNTIME" name="Gradle: org.junit.platform:junit-platform-engine:1.0.0-M4" level="project" />
     <orderEntry type="library" name="Gradle: edu.washington.cs.knowitall:opennlp-postag-models:1.5" level="project" />
     <orderEntry type="library" name="Gradle: edu.washington.cs.knowitall:opennlp-chunk-models:1.5" level="project" />
     <orderEntry type="library" name="Gradle: org.languagetool:hunspell-native-libs:2.9" level="project" />
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..9bcf999
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: java
+jdk:
+  - oraclejdk8
diff --git a/build.gradle b/build.gradle
index 7084568..e23179d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,8 +45,8 @@ repositories {
 dependencies {
     testCompile group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: '5.0.0-M4'
 
-//    Enabling makes the Gradle plugin work but breaks IDEA
-//    testRuntime group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.0.0-M4'
+    // Enabling makes the Gradle plugin work but breaks IDEA
+    testRuntime group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.0.0-M4'
 
     compile group: 'org.languagetool', name: 'language-all', version: '3.7'
 
diff --git a/src/test/java/DocumentPositionCalculatorTest.java b/src/test/java/DocumentPositionCalculatorTest.java
index d3934ce..e7865c4 100644
--- a/src/test/java/DocumentPositionCalculatorTest.java
+++ b/src/test/java/DocumentPositionCalculatorTest.java
@@ -5,41 +5,41 @@
 public class DocumentPositionCalculatorTest {
 
     public final DocumentPositionCalculator sut = new DocumentPositionCalculator("Hello\n" +
-                                           "Enthusiastic\r\n" +
-                                           "Reader!");
+            "Enthusiastic\r\n" +
+            "Reader!");
 
     @Test
-    public void testGetPosition_first_character(){
+    public void testGetPosition_first_character() {
         Position position = sut.getPosition(0);
 
-        Assertions.assertEquals(new Position(0, 0),position);
+        Assertions.assertEquals(new Position(0, 0), position);
     }
 
     @Test
-    public void testGetPosition_starts_with_newline(){
-        Position position = sut.getPosition(1);
+    public void testGetPosition_starts_with_newline() {
+        Position position = new DocumentPositionCalculator("\nHi").getPosition(1);
 
-        Assertions.assertEquals(new Position(1, 0),position);
+        Assertions.assertEquals(new Position(1, 0), position);
     }
 
     @Test
-    public void testGetPosition_second_start(){
+    public void testGetPosition_second_line_start() {
         Position position = sut.getPosition(6);
 
-        Assertions.assertEquals(new Position(1, 0),position);
+        Assertions.assertEquals(new Position(1, 0), position);
     }
 
     @Test
-    public void testGetPosition_second_line_second_character(){
+    public void testGetPosition_second_line_second_character() {
         Position position = sut.getPosition(7);
 
-        Assertions.assertEquals(new Position(1, 1),position);
+        Assertions.assertEquals(new Position(1, 1), position);
     }
 
     @Test
-    public void testGetPosition(){
+    public void testGetPosition_arbitrary_position() {
         Position position = sut.getPosition(12);
 
-        Assertions.assertEquals(new Position(1, 6),position);
+        Assertions.assertEquals(new Position(1, 6), position);
     }
 }
\ No newline at end of file