Minor: add missing "'"

compiler/testData/ir/irText/expressions/jvmStaticFieldReference.txt

@@ -12,7 +12,7 @@ FILE fqName:<root> fileName:/jvmStaticFieldReference.kt
           $this: TYPE_OP type=java.io.PrintStream origin=IMPLICIT_NOTNULL typeOperand=java.io.PrintStream
             GET_FIELD 'out: PrintStream!' type=java.io.PrintStream! origin=GET_PROPERTY
           x: CONST String type=kotlin.String value=testProp/get
-        RETURN type=kotlin.Nothing from=<get-testProp>(): Any'
+        RETURN type=kotlin.Nothing from='<get-testProp>(): Any'
           CONST Int type=kotlin.Int value=42
     FUN name:<set-testProp> visibility:public modality:FINAL <> (value:kotlin.Any) returnType:Unit flags:
       VALUE_PARAMETER name:value index:0 type:kotlin.Any flags:
@@ -42,7 +42,7 @@ FILE fqName:<root> fileName:/jvmStaticFieldReference.kt
       FUN DEFAULT_PROPERTY_ACCESSOR name:<get-test> visibility:public modality:FINAL <> ($this:TestClass) returnType:Int flags:
         $this: VALUE_PARAMETER name:<this> type:TestClass flags:
         BLOCK_BODY
-          RETURN type=kotlin.Nothing from=<get-test>(): Int'
+          RETURN type=kotlin.Nothing from='<get-test>(): Int'
             GET_FIELD 'test: Int' type=kotlin.Int origin=null
               receiver: GET_VAR 'this@TestClass: TestClass' type=TestClass origin=null
     ANONYMOUS_INITIALIZER TestClass