diff --git a/build.gradle b/build.gradle
index bbecdf72ff341bf4d5ae6dcc0f4865fbda1aa9f3..56ea2a5a8113de40463267dd890ee1213908e8b8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,8 +16,8 @@ plugins {
     id 'checkstyle'
 }
 
-sourceCompatibility = 12
-targetCompatibility = 12
+sourceCompatibility = 11
+targetCompatibility = 11
 
 repositories {
     // Use jcenter for resolving your dependencies.
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman6DotsTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman6DotsTest.java
deleted file mode 100644
index 4710e02c69b8eaf07b1d5df06a444a691d54e991..0000000000000000000000000000000000000000
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman6DotsTest.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package de.tudresden.inf.mci.brailleplot.exporter;
-
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-
-public class BrailleGerman6DotsTest {
-
-    @Test
-    public void testNullIsThrownInPrettyPrintCLI(){
-        Assertions.assertThrows(NullPointerException.class, () -> {
-            BrailleGerman6Dots B = new BrailleGerman6Dots();
-            B.getValue(null);
-        });
-    }
-}
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman8DotsTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman8DotsTest.java
deleted file mode 100644
index 5dc7e1399f4434191b12b8fa1e664c2584dbc4cb..0000000000000000000000000000000000000000
--- a/src/test/java/de/tudresden/inf/mci/brailleplot/exporter/BrailleGerman8DotsTest.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package de.tudresden.inf.mci.brailleplot.exporter;
-
-import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
-
-public class BrailleGerman8DotsTest {
-
-    @Test
-    public void testNullIsThrownInPrettyPrintCLI(){
-        Assertions.assertThrows(NullPointerException.class, () -> {
-            BrailleGerman8Dots B = new BrailleGerman8Dots();
-            B.getValue(null);
-        });
-    }
-}
diff --git a/src/test/java/de/tudresden/inf/mci/brailleplot/rendering/AbstractRasterCanvasTest.java b/src/test/java/de/tudresden/inf/mci/brailleplot/rendering/AbstractRasterCanvasTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..3a96b9e7ff4b98facee4b3fb4294b292f88fa5d5
--- /dev/null
+++ b/src/test/java/de/tudresden/inf/mci/brailleplot/rendering/AbstractRasterCanvasTest.java
@@ -0,0 +1,4 @@
+package de.tudresden.inf.mci.brailleplot.rendering;
+
+public class AbstractRasterCanvasTest {
+}
diff --git a/src/test/resources/base_format.properties b/src/test/resources/base_format.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/test/resources/constraint_only.properties b/src/test/resources/constraint_only.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/test/resources/default.properties b/src/test/resources/default.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/test/resources/defaultConfig.properties b/src/test/resources/defaultConfig.properties
deleted file mode 100644
index 94a89776af8b12a99a6f4067b897fb3a410f0dd3..0000000000000000000000000000000000000000
--- a/src/test/resources/defaultConfig.properties
+++ /dev/null
@@ -1,13 +0,0 @@
-# Default Printer Properties
-printer.max.charsPerLine=35
-printer.max.linesPerPage=29
-printer.equidistantSupport=false
-printer.max.characterDistance=2.5
-
-# Default Format Definition (assume A4 portrait)
-format.default.page.width=210
-format.default.page.height=297
-format.default.margin.left=10
-format.default.margin.top=10
-format.default.margin.right=10
-format.default.margin.bottom=10
\ No newline at end of file
diff --git a/src/test/resources/dummyPrinterConfig.properties b/src/test/resources/dummyPrinterConfig.properties
deleted file mode 100644
index 365ababd84b03c3c00d74017789d89861a3fc062..0000000000000000000000000000000000000000
--- a/src/test/resources/dummyPrinterConfig.properties
+++ /dev/null
@@ -1,22 +0,0 @@
-# General Printer Properties
-printer.name=Index Everest-D V4
-printer.max.characterDistance=2.5
-printer.equidistantSupport=true
-
-# A4 Format
-format.A4.page.width=210
-format.A4.page.height=297
-format.A4.margin.top=10
-format.A4.margin.left=10
-format.A4.margin.bottom=10
-format.A4.margin.right=10
-#https://codes.iccsafe.org/content/ICCA117_12003/chapter-7-communication-elements-and-features#ICCA117.1_2003_Ch07_Sec703
-format.A4.raster.dotDistance.horizontal=2.5
-format.A4.raster.dotDistance.vertical=2.5
-format.A4.raster.cellDistance.horizontal=5.1
-format.A4.raster.cellDistance.vertical=5.2
-
-# B5 Format
-format.B5.page.width=176
-format.B5.page.height=250
-format.B5.isPortrait=false
\ No newline at end of file
diff --git a/src/test/resources/illegalPropertyNameExample.properties b/src/test/resources/illegalPropertyNameExample.properties
deleted file mode 100644
index ebe2c842f33436a5f32071422b0a36690787c2b8..0000000000000000000000000000000000000000
--- a/src/test/resources/illegalPropertyNameExample.properties
+++ /dev/null
@@ -1,9 +0,0 @@
-# Default Printer Properties
-printer.max.charsPerLine=35
-printer.max.linesPerPage=29
-printer.equidistantSupport=false
-printer.max.characterDistance=2.5
-
-# Default Format Definition (assume A4 portrait)
-format.default.page.width=210
-fomrat.default.page.height=140
\ No newline at end of file
diff --git a/src/test/resources/illegalPropertyValueExample.properties b/src/test/resources/illegalPropertyValueExample.properties
deleted file mode 100644
index 8135ba242657a64d8b1d075b594ea38d3097ffd1..0000000000000000000000000000000000000000
--- a/src/test/resources/illegalPropertyValueExample.properties
+++ /dev/null
@@ -1,9 +0,0 @@
-# Default Printer Properties
-printer.max.charsPerLine=35
-printer.max.linesPerPage=29
-printer.equidistantSupport=false
-printer.max.characterDistance=2.5
-
-# Default Format Definition (assume A4 portrait)
-format.default.page.width=210
-format.default.page.height=abc
\ No newline at end of file
diff --git a/src/test/resources/margins_and_constraint.properties b/src/test/resources/margins_and_constraint.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/src/test/resources/margins_only.properties b/src/test/resources/margins_only.properties
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391