diff --git a/src/test/java/ByteCode/CompareByteCodeBehaviour.java b/src/test/java/ByteCode/CompareByteCodeBehaviour.java
index 09d39b8..c5584db 100644
--- a/src/test/java/ByteCode/CompareByteCodeBehaviour.java
+++ b/src/test/java/ByteCode/CompareByteCodeBehaviour.java
@@ -76,10 +76,9 @@ public class CompareByteCodeBehaviour {
                 Constructor<?> constructor2 = constructors2[0];
                 constructor1.setAccessible(true);
                 constructor2.setAccessible(true);
-                Object[] constructorArgs1 = getDefaultArguments(constructor1.getParameters());
-                Object[] constructorArgs2 = getDefaultArguments(constructor2.getParameters());
-                Object obj1 = constructor1.newInstance(constructorArgs1);
-                Object obj2 = constructor2.newInstance(constructorArgs2);
+                Object[] constructorArgs = getDefaultArguments(constructor1.getParameters());
+                Object obj1 = constructor1.newInstance(constructorArgs);
+                Object obj2 = constructor2.newInstance(constructorArgs);
 
                 // Get methods
                 Method[] methods1 = new Method[this.methodArray1.size()];
diff --git a/src/test/java/ByteCode/CompareByteCodeSyntax.java b/src/test/java/ByteCode/CompareByteCodeSyntax.java
index 2915f23..dced75b 100644
--- a/src/test/java/ByteCode/CompareByteCodeSyntax.java
+++ b/src/test/java/ByteCode/CompareByteCodeSyntax.java
@@ -77,10 +77,6 @@ public class CompareByteCodeSyntax {
             System.out.println("Annotations do not match for methods " + method1.getName() + " and " + method2.getName());
             return false;
         }
-        if (method1.getModifiers() != method2.getModifiers()) {
-            System.out.println("Modifiers do not match for methods " + method1.getName() + " and " + method2.getName());
-            return false;
-        }
 
         return true;
     }
diff --git a/src/test/java/ByteCode/TestAll.java b/src/test/java/ByteCode/TestAll.java
index 3f0eb36..24a70cf 100644
--- a/src/test/java/ByteCode/TestAll.java
+++ b/src/test/java/ByteCode/TestAll.java
@@ -38,8 +38,8 @@ public class TestAll {
         Program ast = FakultaetASTTyped.getProgram();
         String className = "Fakultaet";
         String javacode = "src/test/resources/basicClasses/Fakultaet.java";
-        byteCodeTester.testByteCodeFromTypedAst(classPath, ast ,className);
-        //byteCodeTester.testClassFileFromScratch(classPath, javacode, className);
+        //byteCodeTester.testByteCodeFromTypedAst(classPath, ast ,className);
+        byteCodeTester.testClassFileFromScratch(classPath, javacode, className);
     }
 
     @Test
@@ -58,7 +58,7 @@ public class TestAll {
         Program ast = CharArgumentASTTyped.getProgram();
         String className = "CharArgument";
         String javacode = "src/test/resources/SimpleTests/CharArgument.java";
-        byteCodeTester.testByteCodeFromTypedAst(classPath, ast ,className);
+        //byteCodeTester.testByteCodeFromTypedAst(classPath, ast ,className);
         byteCodeTester.testClassFileFromScratch(classPath, javacode, className);
     }
 
diff --git a/src/test/resources/FailTests/AddIntBool.java b/src/test/resources/FailTests/AddIntBool.java
new file mode 100644
index 0000000..0a2c258
--- /dev/null
+++ b/src/test/resources/FailTests/AddIntBool.java
@@ -0,0 +1,7 @@
+class AddIntBool {
+
+    public int add(int myInt, bool myBool) {
+        int result = myInt + myBool;
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/resources/SimpleTests/CharArgument.class b/src/test/resources/SimpleTests/CharArgument.class
index 09b3c8c..a927b5f 100644
Binary files a/src/test/resources/SimpleTests/CharArgument.class and b/src/test/resources/SimpleTests/CharArgument.class differ
diff --git a/src/test/resources/SimpleTests/CharArgument.java b/src/test/resources/SimpleTests/CharArgument.java
index 5356939..583732e 100644
--- a/src/test/resources/SimpleTests/CharArgument.java
+++ b/src/test/resources/SimpleTests/CharArgument.java
@@ -1,12 +1,12 @@
 class CharArgument {
 
-    char c;
+    public char c;
 
     public CharArgument() {
         this.c = foo('a');
     }
 
-    char foo(char c) {
+    public char foo(char c) {
         return c;
     }
 
diff --git a/src/test/resources/basicClasses/EmptyClassWithConstructor.class b/src/test/resources/basicClasses/EmptyClassWithConstructor.class
new file mode 100644
index 0000000..64949c9
Binary files /dev/null and b/src/test/resources/basicClasses/EmptyClassWithConstructor.class differ