diff --git a/src/types/YText.js b/src/types/YText.js
index e43717a0..dd5500c2 100644
--- a/src/types/YText.js
+++ b/src/types/YText.js
@@ -195,6 +195,8 @@ const insertText = (transaction, parent, left, right, currentAttributes, text, a
   }
   const minPos = minimizeAttributeChanges(left, right, currentAttributes, attributes)
   const insertPos = insertAttributes(transaction, parent, minPos.left, minPos.right, currentAttributes, attributes)
+  left = insertPos.left
+  right = insertPos.right
   // insert content
   if (text.constructor === String) {
     left = new ItemString(nextID(transaction), left, left === null ? null : left.lastId, right, right === null ? null : right.id, parent, null, text)
diff --git a/src/utils/StructStore.js b/src/utils/StructStore.js
index 91865b85..d28cece1 100644
--- a/src/utils/StructStore.js
+++ b/src/utils/StructStore.js
@@ -18,7 +18,7 @@ export class StructStore {
     /**
      * Store uncompleted struct readers here
      * @see tryResumePendingReaders
-     * @type {Set<{stack:Array<AbstractRef>,structReaders:Map<number,IterableIterator<AbstractRef>>,missing:ID}>}
+     * @type {Set<{stack:Array<AbstractRef>,structReaders:Map<number,IterableIterator<AbstractRef>>,missing:ID,structReaderIterator:IterableIterator<IterableIterator<AbstractRef>>,structReaderIteratorResult:IteratorResult<IterableIterator<AbstractRef>>}>}
      */
     this.pendingStructReaders = new Set()
     /**
diff --git a/tests/y-array.tests.js b/tests/y-array.tests.js
index abb29143..3953a883 100644
--- a/tests/y-array.tests.js
+++ b/tests/y-array.tests.js
@@ -400,8 +400,17 @@ export const testRepeatGeneratingYarrayTests1800 = tc => {
 /**
  * @param {t.TestCase} tc
  */
-export const testRepeatGeneratingYarrayTests10000 = tc => {
-  applyRandomTests(tc, arrayTransactions, 10000)
+export const testRepeatGeneratingYarrayTests3000 = tc => {
+  t.skip(!t.production)
+  applyRandomTests(tc, arrayTransactions, 3000)
+}
+
+/**
+ * @param {t.TestCase} tc
+ */
+export const testRepeatGeneratingYarrayTests5000 = tc => {
+  t.skip(!t.production)
+  applyRandomTests(tc, arrayTransactions, 5000)
 }
 
 /**
diff --git a/tests/y-map.tests.js b/tests/y-map.tests.js
index 873c43f5..223e1ab4 100644
--- a/tests/y-map.tests.js
+++ b/tests/y-map.tests.js
@@ -435,10 +435,19 @@ export const testRepeatGeneratingYmapTests1800 = tc => {
   applyRandomTests(tc, mapTransactions, 1800)
 }
 
+/**
+ * @param {t.TestCase} tc
+ */
+export const testRepeatGeneratingYmapTests5000 = tc => {
+  t.skip(!t.production)
+  applyRandomTests(tc, mapTransactions, 5000)
+}
+
 /**
  * @param {t.TestCase} tc
  */
 export const testRepeatGeneratingYmapTests10000 = tc => {
+  t.skip(!t.production)
   applyRandomTests(tc, mapTransactions, 10000)
 }