[LL] Add test for KmpModuleSorter

KTIJ-27569

analysis/analysis-test-framework/tests/org/jetbrains/kotlin/analysis/test/framework/TestWithMockProject.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.test.framework
+
+import com.intellij.mock.MockProject
+import com.intellij.openapi.project.Project
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
+
+/**
+ * Note that the project created by this class is a completely non-functional stub.
+ * It is only useful in tests that don't depend on Project's functionality.
+ */
+abstract class TestWithMockProject : TestWithDisposable() {
+    private var _project: Project? = null
+    protected val project: Project get() = _project!!
+
+    @BeforeEach
+    fun initProject() {
+        _project = MockProject(null, disposable)
+    }
+
+    @AfterEach
+    fun cleanup() {
+        _project = null
+    }
+}

analysis/analysis-test-framework/tests/org/jetbrains/kotlin/analysis/test/framework/project/structure/KtSourceModuleImpl.kt

@@ -25,4 +25,8 @@ class KtSourceModuleImpl(
     override val directRegularDependencies: MutableList<KtModule> = mutableListOf()
     override val directDependsOnDependencies: MutableList<KtModule> = mutableListOf()
     override val directFriendDependencies: MutableList<KtModule> = mutableListOf()
+
+    override fun toString(): String {
+        return moduleName
+    }
 }