Add jcenter() to testProject repositories where needed.

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kapt2/arguments/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: "kotlin-kapt"
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 dependencies {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kapt2/kaptOutputKotlinCode/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: 'kotlin-kapt'
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 dependencies {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kaptEnumConstructor/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: "kotlin"
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 dependencies {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kaptIncrementalCompilationProject/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: "kotlin"
 // APPLY_KAPT_PLUGIN
 
 repositories {
+    jcenter()
     mavenLocal()
 }
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kaptInheritedAnnotations/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: "kotlin"
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 dependencies {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kaptOutputKotlinCode/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -12,6 +13,7 @@ apply plugin: "kotlin"
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 dependencies {

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kaptStubs/build.gradle

@@ -1,6 +1,7 @@
 buildscript {
     repositories {
         mavenLocal()
+        jcenter()
     }
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
@@ -11,6 +12,7 @@ apply plugin: "java"
 apply plugin: "kotlin"
 
 repositories {
+    jcenter()
     mavenLocal()
 }
 

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/multiprojectWithDependency/build.gradle

@@ -11,5 +11,6 @@ buildscript {
 allprojects {
     repositories {
         mavenLocal()
+        jcenter()
     }
 }

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/samWithReceiverSimple/build.gradle

@@ -14,6 +14,7 @@ apply plugin: "kotlin-sam-with-receiver"
 
 repositories {
     mavenLocal()
+    jcenter()
 }
 
 sourceSets {