Reopen KT-47920 test and add missed .txt files

#KT-47920 Open

compiler/testData/diagnostics/foreignAnnotationsTests/java8Tests/jspecify/warnMode/kt47899.txt

@@ -0,0 +1,13 @@
+package
+
+public fun </*0*/ T> test(/*0*/ metric: T): kotlin.Unit
+
+public open class Foo {
+    public constructor Foo()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    // Static members
+    public open fun </*0*/ T : kotlin.Any!> gauge(/*0*/ @org.jspecify.nullness.Nullable stateObject: @org.jspecify.nullness.Nullable T!): kotlin.Unit
+}

compiler/testData/diagnostics/foreignAnnotationsTests/tests/kt47920.kt

@@ -7,5 +7,5 @@ public class J1<@NonNull T> {}
 
 // FILE: main.kt
 fun main() {
-    J1<<!UPPER_BOUND_VIOLATED_BASED_ON_JAVA_ANNOTATIONS!>Any?<!>>() // violated nullability, no warnings; but there is an error with -Xtype-enhancement-improvements-strict-mode
+    J1<Any?>() // violated nullability, no warnings; but there is an error with -Xtype-enhancement-improvements-strict-mode
 }

compiler/testData/diagnostics/foreignAnnotationsTests/tests/kt47920.txt

@@ -0,0 +1,10 @@
+package
+
+public fun main(): kotlin.Unit
+
+public open class J1</*0*/ @io.reactivex.rxjava3.annotations.NonNull T : kotlin.Any!> {
+    public constructor J1</*0*/ @io.reactivex.rxjava3.annotations.NonNull T : kotlin.Any!>()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}