[FIR-TEST] Add build tasks for running all fir tests

- `:firCompilerTest` run all compiler fir tests
- `:idea:firTest` run all IDE fir tests
- `:firAllTest` run all fir tests

compiler/build.gradle.kts

@@ -118,3 +118,11 @@ projectTest(parallel = true) {
 val generateTests by generator("org.jetbrains.kotlin.generators.tests.GenerateCompilerTestsKt")
 
 testsJar()
+
+projectTest("firBlackBoxTest", parallel = true) {
+    dependsOn(":dist")
+    workingDir = rootDir
+    filter {
+        includeTestsMatching("org.jetbrains.kotlin.codegen.ir.FirBlackBoxCodegenTestGenerated")
+    }
+}