add test q2

src/test/java/fr/univlille/iut/r304/tp3/q2/TestQ1.java

+package fr.univlille.iut.r304.tp3.q2;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+
+public class TestQ1 {
+
+    protected Objectif obj1;
+    protected String txt;
+    protected String txt2;
+    protected Txt t;
+    protected String text;
+    protected InputStream is;
+
+    @BeforeEach
+    public void setup() {
+        text = "abc\ndef\n!fin\n";
+        is = new ByteArrayInputStream(text.getBytes());
+        obj1= new Objectif(5, "Objectif 1 - nombre de lignes");
+        t = new Txt(is);
+        t.attach(obj1);
+    }
+
+    @Test
+    void Test1(){
+        t.lancer();
+        assertTrue(obj1.getNbRestant()==4);
+        t.lancer();
+        t.lancer();
+        assertTrue(obj1.getNbRestant()==2);
+        assertTrue(t.getListO().isEmpty());
+    }
+}