FIR2IR: populate overriddenSymbols for overriding functions

#KT-38416 Fixed

compiler/tests-common/tests/org/jetbrains/kotlin/codegen/ir/AbstractFirBlackBoxCodegenTest.kt

@@ -14,13 +14,4 @@ abstract class AbstractFirBlackBoxCodegenTest : AbstractIrBlackBoxCodegenTest()
         configuration.put(CommonConfigurationKeys.USE_FIR, true)
         configuration.put(JVMConfigurationKeys.IR, true)
     }
-
-    override fun doTest(filePath: String) {
-        if (filePath.endsWith("overrideDefaultArgument.kt")) {
-            // TODO: made to prevent infinite loop in the particular test
-            // Remove me when fixed
-            return
-        }
-        super.doTest(filePath)
-    }
 }