Make annotation collector tests more thorough

plugins/annotation-collector/testData/collectToFile/multiFileTopLevelAnnotated/Ann.kt

@@ -0,0 +1,3 @@
+package org.test
+
+annotation class Ann

plugins/annotation-collector/testData/collectToFile/multiFileTopLevelAnnotated/annotations.txt

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+a org.test.Ann 0
+p org.test 0
+m 0 0/TestFacade__PartAKt funA
+m 0 0/TestFacade__PartAKt valA$annotations
+m 0 0/TestFacade__PartBKt funB
+m 0 0/TestFacade__PartBKt valB$annotations
+m 0 0/TestFacade funA
+m 0 0/TestFacade funB
+a java.lang.annotation.Retention 1
+c 1 0/Ann

plugins/annotation-collector/testData/collectToFile/multiFileTopLevelAnnotated/partA.kt

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+@file:JvmMultifileClass
+@file:JvmName("TestFacade")
+
+package org.test
+
+@Ann
+fun funA() {}
+
+@Ann
+val valA = 4

plugins/annotation-collector/testData/collectToFile/multiFileTopLevelAnnotated/partB.kt

@@ -0,0 +1,10 @@
+@file:JvmMultifileClass
+@file:JvmName("TestFacade")
+
+package org.test
+
+@Ann
+fun funB() {}
+
+@Ann
+val valB = 4