Add tests for enhanced java signatures based on AbstractResolvedCallsTest.

Refactor AbstractResolvedCallsTest to support multiple carets (multiple methods being tested  for resolve) in testdata file.

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionRemoveIf.kt

@@ -0,0 +1,11 @@
+fun notNullValues(collection: MutableCollection<String>) {
+    collection.<caret>removeIf { it.length > 5 }
+}
+
+fun <E : CharSequence> nullableValues(collection: MutableCollection<E?>) {
+    collection.<caret>removeIf { it != null && it.length > 5 }
+}
+
+fun <E : CharSequence?> nullableValues2(collection: MutableCollection<E>) {
+    collection.<caret>removeIf { it == null }
+}

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionRemoveIf.txt

@@ -0,0 +1,20 @@
+fun notNullValues(collection: MutableCollection<String>) {
+    collection.removeIf { it.length > 5 }
+        // SUCCESS
+        // ORIGINAL:    fun removeIf((E) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+        // SUBSTITUTED: fun removeIf((String) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+}
+
+fun <E : CharSequence> nullableValues(collection: MutableCollection<E?>) {
+    collection.removeIf { it != null && it.length > 5 }
+        // SUCCESS
+        // ORIGINAL:    fun removeIf((E) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+        // SUBSTITUTED: fun removeIf((E?) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+}
+
+fun <E : CharSequence?> nullableValues2(collection: MutableCollection<E>) {
+    collection.removeIf { it == null }
+        // SUCCESS
+        // ORIGINAL:    fun removeIf((E) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+        // SUBSTITUTED: fun removeIf((E) -> Boolean): Boolean defined in kotlin.collections.MutableCollection
+}

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionSpliterator.kt

@@ -0,0 +1,12 @@
+// TODO: Fix platform types
+fun <E : CharSequence> notNullValues(collection: Collection<E>) {
+    collection.<caret>spliterator()
+}
+
+fun <E : CharSequence> nullableValues(collection: Collection<E?>) {
+    collection.<caret>spliterator()
+}
+
+fun <E : CharSequence?> nullableValues2(collection: Collection<E>) {
+    collection.<caret>spliterator()
+}

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionSpliterator.txt

@@ -0,0 +1,21 @@
+// TODO: Fix platform types
+fun <E : CharSequence> notNullValues(collection: Collection<E>) {
+    collection.spliterator()
+        // SUCCESS
+        // ORIGINAL:    fun spliterator(): Spliterator<E!> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun spliterator(): Spliterator<E!> defined in kotlin.collections.Collection
+}
+
+fun <E : CharSequence> nullableValues(collection: Collection<E?>) {
+    collection.spliterator()
+        // SUCCESS
+        // ORIGINAL:    fun spliterator(): Spliterator<E!> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun spliterator(): Spliterator<E?> defined in kotlin.collections.Collection
+}
+
+fun <E : CharSequence?> nullableValues2(collection: Collection<E>) {
+    collection.spliterator()
+        // SUCCESS
+        // ORIGINAL:    fun spliterator(): Spliterator<E!> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun spliterator(): Spliterator<E!> defined in kotlin.collections.Collection
+}

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionStream.kt

@@ -0,0 +1,14 @@
+fun <E : CharSequence> notNullValues(collection: Collection<E>) {
+    collection.<caret>stream()
+    collection.<caret>parallelStream()
+}
+
+fun <E : CharSequence> nullableValues(collection: Collection<E?>) {
+    collection.<caret>stream()
+    collection.<caret>parallelStream()
+}
+
+fun <E : CharSequence?> nullableValues2(collection: Collection<E>) {
+    collection.<caret>stream()
+    collection.<caret>parallelStream()
+}

compiler/testData/resolvedCalls/enhancedSignatures/collection/collectionStream.txt

@@ -0,0 +1,32 @@
+fun <E : CharSequence> notNullValues(collection: Collection<E>) {
+    collection.stream()
+        // SUCCESS
+        // ORIGINAL:    fun stream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun stream(): Stream<E> defined in kotlin.collections.Collection
+    collection.parallelStream()
+        // SUCCESS
+        // ORIGINAL:    fun parallelStream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun parallelStream(): Stream<E> defined in kotlin.collections.Collection
+}
+
+fun <E : CharSequence> nullableValues(collection: Collection<E?>) {
+    collection.stream()
+        // SUCCESS
+        // ORIGINAL:    fun stream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun stream(): Stream<E?> defined in kotlin.collections.Collection
+    collection.parallelStream()
+        // SUCCESS
+        // ORIGINAL:    fun parallelStream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun parallelStream(): Stream<E?> defined in kotlin.collections.Collection
+}
+
+fun <E : CharSequence?> nullableValues2(collection: Collection<E>) {
+    collection.stream()
+        // SUCCESS
+        // ORIGINAL:    fun stream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun stream(): Stream<E> defined in kotlin.collections.Collection
+    collection.parallelStream()
+        // SUCCESS
+        // ORIGINAL:    fun parallelStream(): Stream<E> defined in kotlin.collections.Collection
+        // SUBSTITUTED: fun parallelStream(): Stream<E> defined in kotlin.collections.Collection
+}