diff --git a/.gitignore b/.gitignore
index a7415c7..40f974f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,6 +32,7 @@ bin/
 *.ipr
 *.iws
 *.uml
+.idea/compiler.xml
 .idea/workspace.xml
 out/
 
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 4d86754..ded026c 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,11 +4,11 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="disableWrapperSourceDistributionNotification" value="true" />
+        <option name="delegatedBuild" value="true" />
+        <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="C:/Develop/Gradle" />
-        <option name="gradleJvm" value="11 IntelliJ" />
+        <option name="gradleJvm" value="#JAVA_INTERNAL" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
@@ -19,4 +19,4 @@
       </GradleProjectSettings>
     </option>
   </component>
-</project>
\ No newline at end of file
+</project>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0b7617f..2174bb4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="11 IntelliJ" project-jdk-type="JavaSDK" />
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="11" project-jdk-type="JavaSDK" />
 </project>
diff --git a/.idea/runConfigurations/SolutionTest.xml b/.idea/runConfigurations/SolutionTest.xml
new file mode 100644
index 0000000..ea1fd4b
--- /dev/null
+++ b/.idea/runConfigurations/SolutionTest.xml
@@ -0,0 +1,22 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="SolutionTest" type="GradleRunConfiguration" factoryName="Gradle">
+    <ExternalSystemSettings>
+      <option name="executionName" />
+      <option name="externalProjectPath" value="$PROJECT_DIR$" />
+      <option name="externalSystemIdString" value="GRADLE" />
+      <option name="scriptParameters" value="--tests &quot;SolutionTest&quot;" />
+      <option name="taskDescriptions">
+        <list />
+      </option>
+      <option name="taskNames">
+        <list>
+          <option value=":cleanTest" />
+          <option value=":test" />
+        </list>
+      </option>
+      <option name="vmOptions" value="" />
+    </ExternalSystemSettings>
+    <GradleScriptDebugEnabled>false</GradleScriptDebugEnabled>
+    <method v="2" />
+  </configuration>
+</component>
\ No newline at end of file