IR: IrTypeAlias: Update FIR2IR testData

NB a lot of FIR2IR tests actually don't pass, and we don't care much at
the moment.

compiler/testData/ir/irText/declarations/fileWithTypeAliasesOnly.fir.txt

@@ -0,0 +1 @@
+FILE fqName:<root> fileName:/fileWithTypeAliasesOnly.kt

compiler/testData/ir/irText/declarations/fileWithTypeAliasesOnly.kt

@@ -1,3 +1 @@
-// FIR_IDENTICAL
-
 typealias Bar<T> = (T) -> String

compiler/testData/ir/irText/declarations/typeAlias.fir.txt

@@ -0,0 +1,23 @@
+FILE fqName:<root> fileName:/typeAlias.kt
+  FUN name:foo visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      BLOCK type=kotlin.Unit origin=null
+  CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]
+    $this: VALUE_PARAMETER INSTANCE_RECEIVER name:<this> type:<root>.C
+    CONSTRUCTOR visibility:public <> () returnType:<root>.C [primary]
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'public constructor <init> () [primary] declared in kotlin.Any'
+        INSTANCE_INITIALIZER_CALL classDescriptor='CLASS CLASS name:C modality:FINAL visibility:public superTypes:[kotlin.Any]'
+    FUN FAKE_OVERRIDE name:equals visibility:public modality:OPEN <> ($this:kotlin.Any, other:kotlin.Any?) returnType:kotlin.Boolean
+      overridden:
+        public open fun equals (other: kotlin.Any?): kotlin.Boolean declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+      VALUE_PARAMETER name:other index:0 type:kotlin.Any?
+    FUN FAKE_OVERRIDE name:hashCode visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.Int
+      overridden:
+        public open fun hashCode (): kotlin.Int declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any
+    FUN FAKE_OVERRIDE name:toString visibility:public modality:OPEN <> ($this:kotlin.Any) returnType:kotlin.String
+      overridden:
+        public open fun toString (): kotlin.String declared in kotlin.Any
+      $this: VALUE_PARAMETER name:<this> type:kotlin.Any

compiler/testData/ir/irText/declarations/typeAlias.kt

@@ -1,5 +1,3 @@
-// FIR_IDENTICAL
-
 typealias Test1 = String
 
 fun foo() {