diff --git a/flank-scripts/src/main/kotlin/flank/scripts/utils/Archive.kt b/common/src/main/kotlin/flank.common/Archive.kt
similarity index 90%
rename from flank-scripts/src/main/kotlin/flank/scripts/utils/Archive.kt
rename to common/src/main/kotlin/flank.common/Archive.kt
index ab71d3db41..d42f101527 100644
--- a/flank-scripts/src/main/kotlin/flank/scripts/utils/Archive.kt
+++ b/common/src/main/kotlin/flank.common/Archive.kt
@@ -1,9 +1,15 @@
-package flank.scripts.utils
+package flank.common
 
 import org.rauschig.jarchivelib.ArchiveFormat
 import org.rauschig.jarchivelib.ArchiverFactory
 import org.rauschig.jarchivelib.CompressionType
 import java.io.File
+import java.io.FileInputStream
+import java.io.InputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipFile
+import java.util.zip.ZipOutputStream
+
 
 fun File.extract(
     destination: File,
diff --git a/flank-scripts/src/main/kotlin/flank/scripts/utils/Zip.kt b/common/src/main/kotlin/flank.common/Zip.kt
similarity index 60%
rename from flank-scripts/src/main/kotlin/flank/scripts/utils/Zip.kt
rename to common/src/main/kotlin/flank.common/Zip.kt
index cf2084d5f0..1a6bcec68d 100644
--- a/flank-scripts/src/main/kotlin/flank/scripts/utils/Zip.kt
+++ b/common/src/main/kotlin/flank.common/Zip.kt
@@ -1,34 +1,40 @@
-package flank.scripts.utils
+package flank.common
 
 import java.io.File
 import java.io.FileInputStream
 import java.io.InputStream
-import java.io.OutputStream
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
 import java.util.zip.ZipOutputStream
 
-fun unzip(src: File, dst: File = src.parentFile) {
-    print("* Unzipping: $src to $dst - ")
-    ZipFile(src).use { zipFile ->
-        zipFile.entries().asSequence().forEach { zipEntry ->
-            val outputFile = File(dst, zipEntry.name)
 
-            if (zipEntry.isDirectory) {
-                outputFile.mkdirs()
-                return@forEach
-            }
-
-            outputFile.parentFile.mkdirs()
+fun unzipFile(zipFileName: File, unzipPath: String): List<File> {
+    println("Unzipping: ${zipFileName.absolutePath} to $unzipPath")
+    return ZipFile(zipFileName).unzipTo(unzipPath)
+}
 
-            zipFile.getInputStream(zipEntry) useCopyTo outputFile.outputStream()
+private fun ZipFile.unzipTo(unzipPath: String) = use { zipFile ->
+    zipFile.entries()
+        .asSequence()
+        .fold(listOf<File>()) { unzippedFiles, zipFileEntry ->
+            unzippedFiles + zipFileEntry.saveToFile(zipFile, unzipPath)
         }
+}
+
+private fun ZipEntry.saveToFile(zipFile: ZipFile, unzipPath: String): File {
+    val outputFile = File(unzipPath, name)
+    if(isDirectory) {
+        outputFile.mkdirs()
+    } else {
+        zipFile.getInputStream(this).use { zipEntryInput -> zipEntryInput.toFile(outputFile) }
     }
-    println("OK")
+
+    return outputFile
 }
 
-private infix fun InputStream.useCopyTo(output: OutputStream) =
-    use { zipEntryInput -> output.use { output -> zipEntryInput.copyTo(output) } }
+private fun InputStream.toFile(destinationFile: File) {
+    destinationFile.outputStream().use { output -> copyTo(output) }
+}
 
 fun zip(src: File, dst: File) {
     print("* Zipping: $src to $dst - ")
diff --git a/test_runner/src/test/kotlin/ftl/log/OutputLoggerTest.kt b/common/src/test/kotlin/flank/common/OutputLoggerTest.kt
similarity index 88%
rename from test_runner/src/test/kotlin/ftl/log/OutputLoggerTest.kt
rename to common/src/test/kotlin/flank/common/OutputLoggerTest.kt
index a8852ba7d9..99a2959be2 100644
--- a/test_runner/src/test/kotlin/ftl/log/OutputLoggerTest.kt
+++ b/common/src/test/kotlin/flank/common/OutputLoggerTest.kt
@@ -1,7 +1,6 @@
-package ftl.log
+package flank.common
 
 import com.google.common.truth.Truth
-import ftl.test.util.TestHelper.normalizeLineEnding
 import org.junit.After
 import org.junit.Rule
 import org.junit.Test
@@ -11,7 +10,8 @@ class OutputLoggerTest {
 
     @Rule
     @JvmField
-    val systemOutRule: SystemOutRule = SystemOutRule().enableLog().muteForSuccessfulTests()
+    val systemOutRule: SystemOutRule = SystemOutRule()
+        .enableLog().muteForSuccessfulTests()
 
     private val simpleMessage = "print for simple"
     private val detailedMessage = "print for detailed"
diff --git a/test_runner/src/test/kotlin/ftl/util/FilesTest.kt b/flank-scripts/src/test/kotlin/flank/common/FilesTest.kt
similarity index 83%
rename from test_runner/src/test/kotlin/ftl/util/FilesTest.kt
rename to flank-scripts/src/test/kotlin/flank/common/FilesTest.kt
index 73ff6fdc45..318904f9d3 100644
--- a/test_runner/src/test/kotlin/ftl/util/FilesTest.kt
+++ b/flank-scripts/src/test/kotlin/flank/common/FilesTest.kt
@@ -1,7 +1,6 @@
-package ftl.util
+package flank.common
 
-import org.junit.Assert.assertFalse
-import org.junit.Assert.assertTrue
+import org.junit.Assert
 import org.junit.Test
 import java.io.File
 import java.nio.file.Files
@@ -19,7 +18,7 @@ internal class FilesTest {
         createSymbolicLink(expectedDestination, testFile)
 
         // then
-        assertTrue(Files.isSymbolicLink(expectedDestination))
+        Assert.assertTrue(Files.isSymbolicLink(expectedDestination))
 
         // clean
         testFile.toFile().delete()
@@ -33,11 +32,11 @@ internal class FilesTest {
         val testDestination = Paths.get(Files.createTempDirectory("temp").toString(), "settings.gradle.kts")
 
         // when
-        download(testSource, testDestination)
+        downloadFile(testSource, testDestination)
 
         // then
-        assertTrue(testDestination.toFile().exists())
-        assertTrue(testDestination.toFile().length() > 0)
+        Assert.assertTrue(testDestination.toFile().exists())
+        Assert.assertTrue(testDestination.toFile().length() > 0)
     }
 
     @Test
@@ -62,8 +61,8 @@ internal class FilesTest {
             )
 
         // then
-        assertTrue(resultTrue)
-        assertFalse(resultFalse)
+        Assert.assertTrue(resultTrue)
+        Assert.assertFalse(resultFalse)
 
         // clean
         testDirectory.toFile().deleteRecursively()
diff --git a/test_runner/src/main/kotlin/ftl/util/Zip.kt b/test_runner/src/main/kotlin/ftl/util/Zip.kt
deleted file mode 100644
index 0beed68509..0000000000
--- a/test_runner/src/main/kotlin/ftl/util/Zip.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package ftl.util
-
-import java.io.File
-import java.io.InputStream
-import java.util.zip.ZipEntry
-import java.util.zip.ZipFile
-
-fun unzipFile(zipFileName: File, unzipPath: String): List<File> {
-    println("Unzipping: ${zipFileName.absolutePath} to $unzipPath")
-    return ZipFile(zipFileName).unzipTo(unzipPath)
-}
-
-private fun ZipFile.unzipTo(unzipPath: String) = use { zipFile ->
-    zipFile.entries()
-        .asSequence()
-        .fold(listOf<File>()) { unzippedFiles, zipFileEntry ->
-            unzippedFiles + zipFileEntry.saveToFile(zipFile, unzipPath)
-        }
-}
-
-private fun ZipEntry.saveToFile(zipFile: ZipFile, unzipPath: String): File {
-    val outputFile = File(unzipPath, name)
-    zipFile.getInputStream(this).use { zipEntryInput -> zipEntryInput.toFile(outputFile) }
-    return outputFile
-}
-
-private fun InputStream.toFile(destinationFile: File) {
-    destinationFile.outputStream().use { output -> copyTo(output) }
-}