diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/pom.xml b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/pom.xml
index c9f308adce1..0e73ad97ca5 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/pom.xml
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/pom.xml
@@ -22,7 +22,7 @@
     </dependencies>
 
     <properties>
-        <kotlin.compiler.apiVersion>1.0</kotlin.compiler.apiVersion>
+        <kotlin.compiler.apiVersion>1.2</kotlin.compiler.apiVersion>
     </properties>
 
     <build>
diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/src/main/kotlin/main.kt b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/src/main/kotlin/main.kt
index b894766ebde..c2b3f9c5b1d 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/src/main/kotlin/main.kt
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/src/main/kotlin/main.kt
@@ -1,4 +1,14 @@
-fun useApiFrom11() {
-    mapOf<Any, Any>().toMutableMap()
-}
+class A
 
+fun foo(
+    p00: A, p01: A, p02: A, p03: A, p04: A, p05: A, p06: A, p07: A, p08: A, p09: A,
+    p10: A, p11: A, p12: A, p13: A, p14: A, p15: A, p16: A, p17: A, p18: A, p19: A,
+    p20: A, p21: A, p22: A, p23: A, p24: A, p25: A, p26: A, p27: A, p28: A, p29: A
+) {}
+
+fun bar(x: Any) {}
+
+fun test(vararg x: Function30<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, Unit>) {
+    bar(::foo)
+    bar(x)
+}
diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/verify.bsh b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/verify.bsh
index 8959db27a9d..192c8ff5002 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/verify.bsh
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-apiVersion/verify.bsh
@@ -1,4 +1,4 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
 assertBuildLogHasLine("[INFO] BUILD FAILURE");
-assertBuildLogHasLineThatContains("Unresolved reference: toMutableMap");
+assertBuildLogHasLineThatContains("feature \"function types with big arity\" is only available since API version 1.3");
diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/pom.xml b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/pom.xml
index 5baec33d41a..07907e24c57 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/pom.xml
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/pom.xml
@@ -22,7 +22,7 @@
     </dependencies>
 
     <properties>
-        <kotlin.compiler.languageVersion>1.0</kotlin.compiler.languageVersion>
+        <kotlin.compiler.languageVersion>1.3</kotlin.compiler.languageVersion>
     </properties>
 
     <build>
diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/src/main/kotlin/main.kt b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/src/main/kotlin/main.kt
index 6a0652d0885..1793bf43ac4 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/src/main/kotlin/main.kt
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/src/main/kotlin/main.kt
@@ -1,7 +1,7 @@
-sealed class Base
-
-class Derived : Base()
-
-fun useApiFrom11() {
-    mapOf<Any, Any>().toMutableMap()
-}
\ No newline at end of file
+fun breakInWhenFrom14() {
+    while (true) {
+        when {
+            true -> break
+        }
+    }
+}
diff --git a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/verify.bsh b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/verify.bsh
index dcca2c06e44..bc9f0893ab5 100644
--- a/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/verify.bsh
+++ b/libraries/tools/kotlin-maven-plugin-test/src/it/test-languageVersion/verify.bsh
@@ -1,5 +1,4 @@
 source(new File(basedir, "../../../verify-common.bsh").getAbsolutePath());
 
 assertBuildLogHasLine("[INFO] BUILD FAILURE");
-assertBuildLogHasLineThatContains("This type is sealed");
-assertBuildLogHasLineThatContains("Unresolved reference: toMutableMap");
+assertBuildLogHasLineThatContains("'break' and 'continue' are not allowed in 'when' statements");