Remove TestRootAffectedIT test suite

These cases are covered by other incremental tests.

^KT-45745 In Progress

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/TestRootAffectedIT.kt

@@ -1,76 +0,0 @@
-package org.jetbrains.kotlin.gradle
-
-import org.jetbrains.kotlin.gradle.util.allKotlinFiles
-import org.jetbrains.kotlin.gradle.util.getFileByName
-import org.jetbrains.kotlin.gradle.util.modify
-import org.junit.Test
-import java.io.File
-
-class TestRootAffectedIT : BaseGradleIT() {
-    @Test
-    fun testSourceRootClassIsModifiedIC() {
-        val project = Project("kotlinProject")
-        val buildOptions = defaultBuildOptions().copy(incremental = true)
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-        }
-
-        val kotlinGreetingJoinerFile = project.projectDir.getFileByName("KotlinGreetingJoiner.kt")
-        kotlinGreetingJoinerFile.modify {
-            val replacing = "fun addName(name: String?): Unit"
-            val replacement = "fun addName(name: String): Unit"
-            assert(it.contains(replacing)) { "API has changed!" }
-            it.replace(replacing, replacement)
-        }
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-            val testKotlinGreetingJoinerFile = project.projectDir.getFileByName("TestKotlinGreetingJoiner.kt")
-            assertCompiledKotlinSources(project.relativize(kotlinGreetingJoinerFile, testKotlinGreetingJoinerFile))
-        }
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-            assertCompiledKotlinSources(emptyList())
-        }
-    }
-
-    @Test
-    fun testSourceRootClassIsRemovedIC() {
-        val project = Project("kotlinProject")
-        val buildOptions = defaultBuildOptions().copy(incremental = true)
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-        }
-
-        val dummyFile = project.projectDir.getFileByName("Dummy.kt")
-        dummyFile.delete()
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-            // see KT-20541
-            val kotlinTestFiles = File(project.projectDir, "src/test").allKotlinFiles()
-            assertCompiledKotlinSources(project.relativize(kotlinTestFiles))
-        }
-    }
-
-    @Test
-    fun testTestRootClassIsRemovedIC() {
-        val project = Project("kotlinProject")
-        val buildOptions = defaultBuildOptions().copy(incremental = true)
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-        }
-
-        val greeterTestFile = project.projectDir.getFileByName("TestGreeter.kt")
-        greeterTestFile.delete()
-
-        project.build("build", options = buildOptions) {
-            assertSuccessful()
-            assertCompiledKotlinSources(emptyList())
-        }
-    }
-}