diff --git a/src/Pacserver.Tests/checkForNewerStuffTest.cs b/src/Pacserver.Tests/checkForNewerStuffTest.cs
index 41ef7de..36c9e31 100644
--- a/src/Pacserver.Tests/checkForNewerStuffTest.cs
+++ b/src/Pacserver.Tests/checkForNewerStuffTest.cs
@@ -7,9 +7,11 @@ public class checkForNewerStuffTest {
     public void checkForNewerPackages_throwsExceptionIfNoFilesExist() {
         // Arrange
         PacserverUtils utils = new PacserverUtils();
+        File.Delete("/tmp/packages_before.txt");
+        File.Delete("/tmp/packages_after.txt");
 
         // Act
-        Action act = () => utils.diff("/tmp/before_update.txt", "/tmp/after_update.txt");
+        Action act = () => utils.diff("/tmp/packages_before.txt", "/tmp/packages_after.txt");
 
         // Assert
         act.Should().Throw<FileNotFoundException>().WithMessage("Necessary files could not be found");
@@ -26,8 +28,8 @@ public class checkForNewerStuffTest {
         utils.getEveryPackageNameAndVersion("after", "/tmp/packages_after.txt");
 
         // Assert
-        File.Exists("/tmp/before_update.txt").Should().BeTrue();
-        File.Exists("/tmp/after_update.txt").Should().BeTrue();
+        File.Exists("/tmp/packages_before.txt").Should().BeTrue();
+        File.Exists("/tmp/packages_before.txt").Should().BeTrue();
     }
 
     [Fact]
@@ -45,16 +47,14 @@ public class checkForNewerStuffTest {
     }
 
     [Fact]
-    public void getEveryPackageNameAndVersionViaFolderName_throwsExceptionIfListIsEmpty() {
+    public void getEveryPackageNameAndVersionViaFolderName_throwsExceptionIfModeIsNotValid() {
         // Arrange
         PacserverUtils utils = new PacserverUtils();
-        Directory.CreateDirectory("/tmp/local");
-        utils.pacmanDatabaseDirectory = "/tmp/";
 
         // Act
-        Action act = () => utils.getEveryPackageNameAndVersion("before", "/tmp/packages_before.txt");
+        Action act = () => utils.getEveryPackageNameAndVersion("test", "/tmp/test.txt");
 
         // Assert
-        act.Should().Throw<Exception>().WithMessage("How did you execute this without any packages?");
+        act.Should().Throw<ArgumentException>().WithMessage("No valid mode was given. Valid modes are before and after");
     }
 }
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