[FIR Test] Migrate AbstractFirLoadCompiledKotlin to new test infrastructure

Also introduce two different modes for those tests:
- load metadata compiled with K1
- load metadata compiled with K2

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/enumVisibility.fir.txt

@@ -0,0 +1,44 @@
+internal final enum class In : R|kotlin/Enum<test/In>| {
+    private constructor(): R|test/In|
+
+    public final static enum entry A: R|test/In|
+    public final static fun values(): R|kotlin/Array<test/In>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/In| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/In>|
+        public get(): R|kotlin/enums/EnumEntries<test/In>|
+
+}
+
+private final enum class Pr : R|kotlin/Enum<test/Pr>| {
+    private constructor(): R|test/Pr|
+
+    public final static enum entry A: R|test/Pr|
+    public final static fun values(): R|kotlin/Array<test/Pr>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/Pr| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/Pr>|
+        public get(): R|kotlin/enums/EnumEntries<test/Pr>|
+
+}
+
+public final enum class Pu : R|kotlin/Enum<test/Pu>| {
+    private constructor(): R|test/Pu|
+
+    public final static enum entry A: R|test/Pu|
+    public final static fun values(): R|kotlin/Array<test/Pu>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/Pu| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/Pu>|
+        public get(): R|kotlin/enums/EnumEntries<test/Pu>|
+
+}

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/enumWithConstuctor.fir.txt

@@ -0,0 +1,22 @@
+public final enum class En : R|kotlin/Enum<test/En>| {
+    public final val b: R|kotlin/Boolean|
+        public get(): R|kotlin/Boolean|
+
+    public final val i: R|kotlin/Int|
+        public get(): R|kotlin/Int|
+
+    private constructor(b: R|kotlin/Boolean| = STUB, i: R|kotlin/Int| = STUB): R|test/En|
+
+    public final static enum entry E1: R|test/En|
+    public final static enum entry E2: R|test/En|
+    public final static enum entry E3: R|test/En|
+    public final static fun values(): R|kotlin/Array<test/En>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/En| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/En>|
+        public get(): R|kotlin/enums/EnumEntries<test/En>|
+
+}

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/enumWithInnerClasses.fir.txt

@@ -0,0 +1,33 @@
+public final enum class Enum : R|kotlin/Enum<test/Enum>| {
+    public final fun f(): R|kotlin/Int|
+
+    public final val c: R|kotlin/Int|
+        public get(): R|kotlin/Int|
+
+    private constructor(): R|test/Enum|
+
+    public final inner class Inner : R|kotlin/Any| {
+        public test/Enum.constructor(): R|test/Enum.Inner|
+
+    }
+
+    public final class Nested : R|kotlin/Any| {
+        public constructor(): R|test/Enum.Nested|
+
+    }
+
+    public abstract interface Trait : R|kotlin/Any| {
+    }
+
+    public final static enum entry ENTRY1: R|test/Enum|
+    public final static enum entry ENTRY2: R|test/Enum|
+    public final static fun values(): R|kotlin/Array<test/Enum>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/Enum| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/Enum>|
+        public get(): R|kotlin/enums/EnumEntries<test/Enum>|
+
+}

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/innerEnum.fir.txt

@@ -0,0 +1,19 @@
+public final class A : R|kotlin/Any| {
+    public constructor(): R|test/A|
+
+    public final enum class E : R|kotlin/Enum<test/A.E>| {
+        private constructor(): R|test/A.E|
+
+        public final static enum entry ENTRY: R|test/A.E|
+        public final static fun values(): R|kotlin/Array<test/A.E>| {
+        }
+
+        public final static fun valueOf(value: R|kotlin/String|): R|test/A.E| {
+        }
+
+        public final static val entries: R|kotlin/enums/EnumEntries<test/A.E>|
+            public get(): R|kotlin/enums/EnumEntries<test/A.E>|
+
+    }
+
+}

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/innerEnumExistingClassObject.fir.txt

@@ -0,0 +1,24 @@
+public final class A : R|kotlin/Any| {
+    public constructor(): R|test/A|
+
+    public final companion object Companion : R|kotlin/Any| {
+        private constructor(): R|test/A.Companion|
+
+    }
+
+    public final enum class E : R|kotlin/Enum<test/A.E>| {
+        private constructor(): R|test/A.E|
+
+        public final static enum entry ENTRY: R|test/A.E|
+        public final static fun values(): R|kotlin/Array<test/A.E>| {
+        }
+
+        public final static fun valueOf(value: R|kotlin/String|): R|test/A.E| {
+        }
+
+        public final static val entries: R|kotlin/enums/EnumEntries<test/A.E>|
+            public get(): R|kotlin/enums/EnumEntries<test/A.E>|
+
+    }
+
+}

compiler/testData/loadJava/compiledKotlinWithStdlib/enum/simpleEnum.fir.txt

@@ -0,0 +1,14 @@
+public final enum class MyEnum : R|kotlin/Enum<test/MyEnum>| {
+    private constructor(): R|test/MyEnum|
+
+    public final static enum entry ENTRY: R|test/MyEnum|
+    public final static fun values(): R|kotlin/Array<test/MyEnum>| {
+    }
+
+    public final static fun valueOf(value: R|kotlin/String|): R|test/MyEnum| {
+    }
+
+    public final static val entries: R|kotlin/enums/EnumEntries<test/MyEnum>|
+        public get(): R|kotlin/enums/EnumEntries<test/MyEnum>|
+
+}