[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/j+k/specialBuiltIns/hashtableInheritance.fir.kt

@@ -0,0 +1,6 @@
+// FULL_JDK
+
+class C1 : java.util.Hashtable<String, Int>()
+class C2 : java.util.Hashtable<String, Int>() {
+    override fun get(key: String) = 123
+}

compiler/testData/diagnostics/tests/j+k/specialBuiltIns/securityProvider.fir.kt

@@ -0,0 +1,5 @@
+// FULL_JDK
+
+import java.security.Provider
+
+class Example : Provider("A", 1.0, "B")