Implemented functional ADD, FORMAT and PRINT feature. Reformat code in several files

test/SystemInputTest.java

@@ -1,2 +0,0 @@
-public class SystemInputTest {
-}

test/TextEditorTest.java

@@ -1,2 +0,0 @@
-public class TextEditorTest {
-}

test/TextInputTest.java

@@ -0,0 +1,10 @@
+import org.junit.jupiter.api.Test;
+
+class TextInputTest {
+
+    @Test
+    public void inputTest() {
+
+    }
+
+}

test/TextOutputTest.java

@@ -1,18 +1,14 @@
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import javax.swing.*;
-
 import java.util.ArrayList;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 class TextOutputTest {
     TextOutput textOutput;
     ArrayList<String> text;
 
     @BeforeEach
-    public void setup(){
+    public void setup() {
         textOutput = new TextOutput();
         textOutput.formatFix(9);
         textOutput.formatRaw();
@@ -25,10 +21,7 @@ class TextOutputTest {
     }
 
     @Test
-    public void print(){
-    textOutput.print(text);
-
+    public void print() {
+        textOutput.print(text);
     }
-
-
 }