Minor: make it possible to run gradle incremental tests on CI

* Rename test so it won't be run by maven's integration-test phase
* Adjust allocated heap size

libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginJpsParametrizedCLIOnly.kt

@@ -6,9 +6,14 @@ import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 import java.io.File
 
-@Ignore
+// Test does not follow maven failsafe naming convention
+// so it is ignored by maven integration-test phase,
+// but it is possible run it from CLI (under separate CI configuration for example)
+//
+// To run this test from CLI:
+// mvn integration-test -pl :kotlin-gradle-plugin -Dit.test=KotlinGradlePluginJpsParametrizedCLIOnly
 @RunWith(Parameterized::class)
-class KotlinGradlePluginJpsParametrizedIT : BaseIncrementalGradleIT() {
+class KotlinGradlePluginJpsParametrizedCLIOnly : BaseIncrementalGradleIT() {
 
     @Parameterized.Parameter
     @JvmField

libraries/tools/kotlin-gradle-plugin/src/test/resources/incrementalGradleProject/gradle.properties

@@ -1 +1 @@
-org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=1024m
+org.gradle.jvmargs=-Xmx1024m -XX:MaxPermSize=512m