Add test for KT-31131

jps-plugin/testData/incremental/withJava/other/multifilePartsWithProperties/build.log

@@ -0,0 +1,12 @@
+================ Step #1 =================
+
+Cleaning output files:
+  out/production/module/META-INF/module.kotlin_module
+  out/production/module/Utils.class
+  out/production/module/Utils__PartBKt.class
+End of files
+Compiling files:
+  src/partB.kt
+End of files
+Exit code: OK
+------------------------------------------

jps-plugin/testData/incremental/withJava/other/multifilePartsWithProperties/partA.kt

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+@file:JvmName("Utils")
+@file:JvmMultifileClass
+
+val aVal: Int get() = 0

jps-plugin/testData/incremental/withJava/other/multifilePartsWithProperties/partB.kt

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+@file:JvmName("Utils")
+@file:JvmMultifileClass
+
+val bVal: Int get() = 0

jps-plugin/testData/incremental/withJava/other/multifilePartsWithProperties/partB.kt.new.1

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+@file:JvmName("Utils")
+@file:JvmMultifileClass
+
+val bVal: Int get() = 1