diff --git a/__tests__/commands/Attack.js b/__tests__/commands/Attack.js
index 8262824..7287fd0 100644
--- a/__tests__/commands/Attack.js
+++ b/__tests__/commands/Attack.js
@@ -1,5 +1,6 @@
 require('module-alias/register');
 const rewire = require('rewire');
+const Attack = require('@Commands/Attack');
 
 const rewireUtils = rewire('@Commands/Attack');
 const getWeapon = rewireUtils.__get__('getWeapon');
@@ -13,6 +14,12 @@ const getCombatTechnique = rewireUtils.__get__('getCombatTechnique');
 it('should be undefined without value', () => {
     expect(getCombatTechnique({})).toBeUndefined();
 });
+it('should be undefined without value', () => {
+    expect(getCombatTechnique({ combattechnique: 'made-up' })).toBeUndefined();
+});
+it('should be null without any params.', () => {
+    expect(getCombatTechnique()).toBeNull();
+});
 it('should return defined object', () => {
     expect(getCombatTechnique({ combattechnique: 'dolche' })).toEqual(
         expect.objectContaining({
diff --git a/__tests__/commands/List.js b/__tests__/commands/List.js
index fd50a5e..d930db5 100644
--- a/__tests__/commands/List.js
+++ b/__tests__/commands/List.js
@@ -1,13 +1,22 @@
 require('module-alias/register');
-// const { List } = require('@Commands/List');
+const List = require('@Commands/List');
+
 const rewire = require('rewire');
 
 const reWireUtils = rewire('@Commands/List');
 // const getStats = reWireUtils.__get__('getStats');
 const getAttribute = reWireUtils.__get__('getAttribute');
-
+const printHeader = reWireUtils.__get__('printHeader');
+const listStats = reWireUtils.__get__('listStats');
 it('should return an attribute object', () => {
     expect(getAttribute({ id: 'mut', level: 9 })).toEqual(
+        expect.objectContaining({
+            id: 'mut',
+            Name: 'Mut',
+            Level: 9,
+        })
+    );
+    expect(getAttribute()).toEqual(
         expect.objectContaining({
             id: expect.any(String),
             Name: expect.any(String),
@@ -15,3 +24,16 @@ it('should return an attribute object', () => {
         })
     );
 });
+it('should return null', () => {
+    expect(printHeader()).toBeNull();
+});
+it('should return a string', () => {
+    const attributes = [{ Short: 'AA' }, { Short: 'BB' }, { Short: 'CC' }];
+    expect(printHeader(attributes)).toMatch(/\s+AA\s+[|]\s+BB\s+[|]\s+CC\s+/g);
+});
+
+it('should return a string', () => {
+    expect(listStats([{ Level: 8 }, { Level: 9 }, { Level: 10 }])).toMatch(
+        /\s+8\s+[|]\s+9\s+[|]\s+10\s+/
+    );
+});
diff --git a/__tests__/functions/Roll.js b/__tests__/functions/Roll.js
index 2c07a1d..087ebab 100644
--- a/__tests__/functions/Roll.js
+++ b/__tests__/functions/Roll.js
@@ -6,3 +6,10 @@ describe('rolling dice', () => {
         expect(roll(200, 6).dice).toContain(value);
     });
 });
+
+describe('rolling dice', () => {
+    const expected = [1, 2, 3, 4, 5, 6];
+    test.each(expected)('contains only numbers from 1 to 6', value => {
+        expect(roll(200, 6, 'test').dice).toContain(value);
+    });
+});
diff --git a/commands/Chants.js b/commands/Chants.js
index e676375..fb202ca 100644
--- a/commands/Chants.js
+++ b/commands/Chants.js
@@ -11,7 +11,8 @@ const createChantList = (Character = {}) => {
     Character.chants.forEach(chant =>
         ChantList.push(getChant({ Character: Character, chant_name: chant.id }))
     );
-    return ChantList.filter(value => value !== undefined);
+    console.log(ChantList);
+    return ChantList.filter(value => value !== undefined && value !== null);
 };
 
 const ReplyChantList = (ChantList = []) => {
@@ -42,6 +43,7 @@ module.exports = {
                 if (isEmpty(doc)) {
                     return message.reply(findMessage('NOENTRY'));
                 }
+                console.log(doc.character);
                 const Character = doc.character;
                 if (!Character.hasOwnProperty('chants'))
                     return message.reply(findMessage('NO_CHANTS'));
diff --git a/commands/List.js b/commands/List.js
index 8737f7c..a4da4f9 100644
--- a/commands/List.js
+++ b/commands/List.js
@@ -5,9 +5,10 @@ const { db } = require('../globals');
 const { Werte } = require('../globals');
 
 function printHeader(attributes) {
+    if (!attributes) return null;
     return `${''.padStart(31)}${attributes
         .map(a => `${a.Short}`.padEnd(4).padStart(6))
-        .join('|')}\n`;
+        .join('|')}\n`.toString();
 }
 function listStats(attributes) {
     return `${attributes.map(a => `${a.Level}`.padEnd(4).padStart(6)).join('|')}\n`;
diff --git a/commands/Spells.js b/commands/Spells.js
index d5c4b07..07500a5 100644
--- a/commands/Spells.js
+++ b/commands/Spells.js
@@ -22,7 +22,7 @@ const createSpellList = (Character = {}) => {
     Character.spells.forEach(spell =>
         SpellList.push(getSpell({ Character: Character, spell_name: spell.id }))
     );
-    return SpellList.filter(value => value !== undefined); //?+
+    return SpellList.filter(value => value !== undefined && value !== null); //?+
 };
 
 module.exports = {
diff --git a/package.json b/package.json
index 875f57a..3d95831 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "dsabot",
-    "version": "1.6.1",
+    "version": "1.6.2",
     "description": "",
     "main": "index.js",
     "scripts": {
@@ -39,7 +39,17 @@
         "collectCoverageFrom": [
             "**/*.{js,jsx}",
             "!**/node_modules/**",
-            "!**/vendor/**"
+            "!**/vendor/**",
+            "!**/.github/**",
+            "!**/__tests__/**",
+            "!**/__mocks__/**"
+        ],
+        "coveragePathIgnorePatterns": [
+            "/node_modules/",
+            "<rootDir>/__tests__/",
+            "<rootDir>/.github/",
+            "<rootDir>/coverage/",
+            "<rootDir>/__mocks__/"
         ],
         "coverageDirectory": "coverage"
     }