diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvDotParserTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvDotParserTest.java
index 2dc48aaf8e9c5a52da2697cfe24be109915c05c0..f3e52e4161595759fa6f7857cf785a620872a55b 100644
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvDotParserTest.java
+++ b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvDotParserTest.java
@@ -21,14 +21,14 @@ public class CsvDotParserTest {
     public static CsvParser parser;
 
     @BeforeAll
-    public static void initialize() {
+    public static void initialize() throws Exception {
         ClassLoader classloader = Thread.currentThread().getContextClassLoader();
         InputStream csvStream = classloader.getResourceAsStream("examples/csv/1_scatter_plot.csv");
         Reader csvReader = new BufferedReader(new InputStreamReader(csvStream));
         try {
             parser = new CsvParser(csvReader, ',', '\"');
         } catch (Exception e) {
-
+            throw new Exception();
         }
 
     }
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedCategoriesParserTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedCategoriesParserTest.java
index d7826481c83bc8792431d7e0e0a9fadca5f521bb..d25fe8fc7ee758c9a45d7051dc14b4cb1641e457 100644
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedCategoriesParserTest.java
+++ b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedCategoriesParserTest.java
@@ -21,14 +21,14 @@ public class CsvXAlignedCategoriesParserTest {
     public static CsvParser parser;
 
     @BeforeAll
-    public static void initialize() {
+    public static void initialize() throws Exception {
         ClassLoader classloader = Thread.currentThread().getContextClassLoader();
         InputStream csvStream = classloader.getResourceAsStream("examples/csv/0_bar_chart_categorical.csv");
         Reader csvReader = new BufferedReader(new InputStreamReader(csvStream));
         try {
             parser = new CsvParser(csvReader, ',', '\"');
         } catch (Exception e) {
-
+            throw new Exception();
         }
 
     }
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedParserTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedParserTest.java
index c40e13a3182dcd65ee78e13eca18b427b3304287..065964d249324ab27844c6292e2b3af079344364 100644
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedParserTest.java
+++ b/src/test/java/de/tudresden/inf/mci/brailleplot/csvparser/CsvXAlignedParserTest.java
@@ -21,14 +21,14 @@ public class CsvXAlignedParserTest {
     public static CsvParser parser;
 
     @BeforeAll
-    public static void initialize() {
+    public static void initialize() throws Exception {
         ClassLoader classloader = Thread.currentThread().getContextClassLoader();
         InputStream csvStream = classloader.getResourceAsStream("examples/csv/0_bar_chart.csv");
         Reader csvReader = new BufferedReader(new InputStreamReader(csvStream));
         try {
             parser = new CsvParser(csvReader, ',', '\"');
         } catch (Exception e) {
-
+            throw new Exception();
         }
 
     }
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/point/Point2DValuedTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/point/Point2DValuedTest.java
index 8d257f2890f9a2ce806169461cd9be855455d4c7..f9070797b1dd0388f0a863f9dcf164319aab0fb4 100644
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/point/Point2DValuedTest.java
+++ b/src/test/java/de/tudresden/inf/mci/brailleplot/point/Point2DValuedTest.java
@@ -16,17 +16,17 @@ public class Point2DValuedTest {
 
         Assertions.assertThrows(NullPointerException.class, () -> {new Point2DValued(a, b, null);});
 
-        Point2DValued point = new Point2DValued(a, b, value);
+        Point2DValued<Integer, Integer> point = new Point2DValued(a, b, value);
         Assertions.assertEquals(value, point.getVal());
     }
 
     @Test
     public void testEquals () {
-        Point2DValued point_1 = new Point2DValued(1, 2, 3);
-        Point2DValued point_2 = new Point2DValued(1, 2, 3);
-        Point2DValued point_3 = new Point2DValued(2, 2, 3);
-        Point2DValued point_4 = new Point2DValued(1, 1, 3);
-        Point2DValued point_5 = new Point2DValued(1, 2, 2);
+        Point2DValued<Integer, Integer> point_1 = new Point2DValued(1, 2, 3);
+        Point2DValued<Integer, Integer> point_2 = new Point2DValued(1, 2, 3);
+        Point2DValued<Integer, Integer> point_3 = new Point2DValued(2, 2, 3);
+        Point2DValued<Integer, Integer> point_4 = new Point2DValued(1, 1, 3);
+        Point2DValued<Integer, Integer> point_5 = new Point2DValued(1, 2, 2);
         String string = "test";
 
         Assertions.assertEquals(true, point_1.equals(point_2));