Fix tests

Author: jamo

tmc-langs-make/src/test/java/fi/helsinki/cs/tmc/langs/make/MakeStudentFilePolicyTest.java

@@ -27,12 +27,6 @@ public void setUp() {
         makeStudentFilePolicy = new MakeStudentFilePolicy(path);
     }
 
-    @Test
-    public void testItIncludesMakefiles() {
-        Path makefile = Paths.get("Makefile");
-        assertTrue(makeStudentFilePolicy.isStudentSourceFile(makefile, path));
-    }
-
     @Test
     public void testItMovesFilesInSrc() throws IOException {
         final List<String> toBeMoved = new ArrayList<>();