refactor(common-utils): Move recursive deletion tests to funTest

Prepare for adding a more heavy-weight test.

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.org>

utils/common/src/funTest/kotlin/SafeDeleteRecursivelyFunTest.kt

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2024 The ORT Project Authors (see <https://github.com/oss-review-toolkit/ort/blob/main/NOTICE>)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * License-Filename: LICENSE
+ */
+
+package org.ossreviewtoolkit.utils.common
+
+import io.kotest.assertions.throwables.shouldNotThrow
+import io.kotest.core.spec.style.WordSpec
+import io.kotest.engine.spec.tempdir
+import io.kotest.matchers.shouldBe
+
+import java.io.IOException
+
+class SafeDeleteRecursivelyFunTest : WordSpec({
+    "File.safeDeleteRecursively()" should {
+        "be able to delete files that are not writable" {
+            val dir = tempdir().apply {
+                resolve("read-only.txt").apply {
+                    writeText("Hello!")
+                    check(setWritable(false))
+                }
+            }
+
+            shouldNotThrow<IOException> {
+                dir.safeDeleteRecursively(force = true)
+            }
+
+            dir.exists() shouldBe false
+        }
+
+        "delete empty parent directories below a base directory" {
+            val tempDir = tempdir()
+            val baseDir = tempDir.resolve("a/basedir")
+            val deleteDir = baseDir.resolve("c/delete").apply { safeMkdirs() }
+
+            shouldNotThrow<IOException> {
+                deleteDir.safeDeleteRecursively(force = true, baseDir)
+            }
+
+            deleteDir.exists() shouldBe false
+            deleteDir.parentFile.exists() shouldBe false
+            baseDir.exists() shouldBe true
+        }
+    }
+})

utils/common/src/test/kotlin/ExtensionsTest.kt

@@ -99,37 +99,6 @@ class ExtensionsTest : WordSpec({
         }
     }
 
-    "File.safeDeleteRecursively()" should {
-        "be able to delete files that are not writable" {
-            val dir = tempdir().apply {
-                resolve("read-only.txt").apply {
-                    writeText("Hello!")
-                    check(setWritable(false))
-                }
-            }
-
-            shouldNotThrow<IOException> {
-                dir.safeDeleteRecursively(force = true)
-            }
-
-            dir.exists() shouldBe false
-        }
-
-        "delete empty parent directories below a base directory" {
-            val tempDir = tempdir()
-            val baseDir = tempDir.resolve("a/basedir")
-            val deleteDir = baseDir.resolve("c/delete").apply { safeMkdirs() }
-
-            shouldNotThrow<IOException> {
-                deleteDir.safeDeleteRecursively(force = true, baseDir)
-            }
-
-            deleteDir.exists() shouldBe false
-            deleteDir.parentFile.exists() shouldBe false
-            baseDir.exists() shouldBe true
-        }
-    }
-
     "File.expandTilde()" should {
         "expand the path if the SHELL environment variable is set".config(enabled = Os.env["SHELL"] != null) {
             File("~/Desktop").expandTilde() shouldBe Os.userHomeDirectory.resolve("Desktop")