Updated test framework to Junit 4 and fixed ignored tests

Author: Vitaliy Boyko

build.gradle

@@ -103,3 +103,13 @@ idea {
         generatedSourceDirs += file('gen')
     }
 }
+
+dependencies {
+    testImplementation 'junit:junit:4.13'
+}
+
+test {
+    useJUnit()
+
+    maxHeapSize = '1G'
+}

tests/com/magento/idea/magento2plugin/actions/generation/generator/BaseGeneratorTestCase.java

@@ -6,20 +6,29 @@
 
 import com.intellij.psi.PsiDirectory;
 import com.intellij.psi.PsiFile;
+import com.intellij.testFramework.LightPlatformTestCase;
 import com.magento.idea.magento2plugin.BaseProjectTestCase;
 import com.magento.idea.magento2plugin.magento.packages.File;
 import com.magento.idea.magento2plugin.project.util.GetProjectBasePath;
+import org.junit.Before;
 
 abstract public class BaseGeneratorTestCase extends BaseProjectTestCase {
     private static final String testDataFolderPath = "testData" + File.separator + "actions" + File.separator;
     private static final String fixturesFolderPath = "generation" + File.separator + "generator" + File.separator;
 
     @Override
+    @Before
     protected void setUp() throws Exception {
         super.setUp();
         myFixture.setTestDataPath(testDataFolderPath);
     }
 
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        LightPlatformTestCase.closeAndDeleteProject();
+    }
+
     protected String getFixturePath(String fileName) {
         return prepareFixturePath(fileName, fixturesFolderPath);
     }