[FIR] Setup tests for IC with compiler plugins

Most of those tests are ignored, because IC is not supported properly
  for compiler plugins. This commit is needed to prepare infrastructure,
  fix current behaviour and collect main problems of IC with plugins

Check fail.txt files in new testdata for explanation of problems

generators/build.gradle.kts

@@ -67,6 +67,7 @@ dependencies {
     testApi(projectTests(":kotlinx-serialization-compiler-plugin"))
     testApi(projectTests(":kotlinx-atomicfu-compiler-plugin"))
     testApi(projectTests(":plugins:fir-plugin-prototype"))
+    testApi(projectTests(":plugins:fir-plugin-prototype:fir-plugin-ic-test"))
     testApi(projectTests(":generators:test-generator"))
     testCompileOnly(project(":kotlin-reflect-api"))
     testImplementation(intellijDep()) { includeJars("idea_rt") }

generators/tests/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -347,6 +347,12 @@ fun main(args: Array<String>) {
         }
     }
 */
+
+        testGroup("plugins/fir-plugin-prototype/fir-plugin-ic-test/tests-gen", "plugins/fir-plugin-prototype/fir-plugin-ic-test/testData") {
+            testClass<AbstractIncrementalFirJvmWithPluginCompilerRunnerTest> {
+                model("pureKotlin", extension = null, recursive = false, targetBackend = TargetBackend.JVM_IR)
+            }
+        }
     }
 
     generateTestGroupSuiteWithJUnit5 {