diff --git a/test/plugindevelopment/MartinTestCases/Matrix3.jav b/test/plugindevelopment/MartinTestCases/Matrix3.jav
new file mode 100644
index 00000000..942c6790
--- /dev/null
+++ b/test/plugindevelopment/MartinTestCases/Matrix3.jav
@@ -0,0 +1,7 @@
+import java.util.Vector;
+
+class Matrix3 extends Vector<Vector<Integer>> {
+
+    op = (f) -> f.apply(this); 
+
+}
\ No newline at end of file
diff --git a/test/plugindevelopment/TypeInsertTests/Matrix3.jav b/test/plugindevelopment/TypeInsertTests/Matrix3.jav
new file mode 100644
index 00000000..cd4f1cc0
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/Matrix3.jav
@@ -0,0 +1,5 @@
+class Matrix3 extends Vector<Vector<Integer>> {
+
+    op = (f) -> f.apply(this); 
+
+}
\ No newline at end of file
diff --git a/test/plugindevelopment/TypeInsertTests/Matrix3.java b/test/plugindevelopment/TypeInsertTests/Matrix3.java
new file mode 100644
index 00000000..a5393025
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/Matrix3.java
@@ -0,0 +1,20 @@
+package plugindevelopment.TypeInsertTests;
+
+import java.util.Vector;
+
+import org.junit.Test;
+
+import de.dhbwstuttgart.logger.Logger;
+import de.dhbwstuttgart.logger.LoggerConfiguration;
+import de.dhbwstuttgart.logger.Section;
+
+public class Matrix3 {
+	private static final String TEST_FILE = "Matrix3.jav";
+	
+	@Test
+	public void run(){
+		Vector<String> mustContain = new Vector<String>();
+		mustContain.add("TestIfStmt var");
+		MultipleTypesInsertTester.testSingleInsert(this.TEST_FILE, mustContain);
+	}
+}
diff --git a/test/plugindevelopment/TypeInsertTests/Matrix_lambda.jav b/test/plugindevelopment/TypeInsertTests/Matrix_lambda.jav
new file mode 100644
index 00000000..91cac5ef
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/Matrix_lambda.jav
@@ -0,0 +1,6 @@
+import java.util.Vector;
+
+class Matrix extends Vector<Vector<Integer>> {
+	op = (f) -> f.apply(this); 
+	
+} 
\ No newline at end of file
diff --git a/test/plugindevelopment/TypeInsertTests/Matrix_lambda.java b/test/plugindevelopment/TypeInsertTests/Matrix_lambda.java
new file mode 100644
index 00000000..fca2239f
--- /dev/null
+++ b/test/plugindevelopment/TypeInsertTests/Matrix_lambda.java
@@ -0,0 +1,20 @@
+package plugindevelopment.TypeInsertTests;
+
+import java.util.Vector;
+
+import org.junit.Test;
+
+import de.dhbwstuttgart.logger.Logger;
+import de.dhbwstuttgart.logger.LoggerConfiguration;
+import de.dhbwstuttgart.logger.Section;
+
+public class Matrix_lambda {
+	private static final String TEST_FILE = "Matrix_lambda.jav";
+	
+	@Test
+	public void run(){
+		Vector<String> mustContain = new Vector<String>();
+		mustContain.add("TestIfStmt var");
+		MultipleTypesInsertTester.testSingleInsert(this.TEST_FILE, mustContain);
+	}
+}