made a generic class for the tests

src/test/kotlin/com/vk/kphpstorm/testing/infrastructure/InspectionTestBase.kt

@@ -1,21 +1,11 @@
 package com.vk.kphpstorm.testing.infrastructure
 
-import com.intellij.testFramework.fixtures.BasePlatformTestCase
-import com.jetbrains.php.config.PhpLanguageLevel
-import com.jetbrains.php.config.PhpProjectConfigurationFacade
 import com.jetbrains.php.lang.inspections.PhpInspection
 import com.vk.kphpstorm.configuration.KphpStormConfiguration
 import com.vk.kphpstorm.configuration.setupKphpStormPluginForProject
 import java.io.File
 
-
-abstract class InspectionTestBase(
-    private val inspectionToEnable: PhpInspection? = null,
-) : BasePlatformTestCase() {
-
-    open val languageLevel: PhpLanguageLevel = PhpLanguageLevel.PHP740
-
-    override fun getTestDataPath() = "src/test/fixtures"
+abstract class InspectionTestBase(private val inspectionToEnable: PhpInspection? = null) : KphpStormTestBase() {
 
     override fun setUp() {
         super.setUp()
@@ -25,17 +15,11 @@ abstract class InspectionTestBase(
         }
     }
 
-    private fun setupLanguageLevel() {
-        val projectConfigurationFacade = PhpProjectConfigurationFacade.getInstance(project)
-        projectConfigurationFacade.languageLevel = languageLevel
-    }
-
     /**
      * Run inspection on file.fixture.php and check that all <warning> and <error> match
      * If file.qf.php exists, apply quickfixes and compare result to file.qf.php
      */
     protected fun runFixture(fixtureFile: String) {
-        setupLanguageLevel()
         setupKphpStormPluginForProject(project)
 
         // Highlighting test

src/test/kotlin/com/vk/kphpstorm/testing/infrastructure/IntentionTestBase.kt

@@ -1,32 +1,15 @@
 package com.vk.kphpstorm.testing.infrastructure
 
 import com.intellij.codeInsight.intention.IntentionAction
-import com.intellij.testFramework.fixtures.BasePlatformTestCase
-import com.jetbrains.php.config.PhpLanguageLevel
-import com.jetbrains.php.config.PhpProjectConfigurationFacade
 import com.vk.kphpstorm.configuration.KphpStormConfiguration
 
-
-abstract class IntentionTestBase(
-        private val intentionToExecute: IntentionAction
-) : BasePlatformTestCase() {
-
-    open val languageLevel: PhpLanguageLevel = PhpLanguageLevel.PHP740
-
-    override fun getTestDataPath() = "src/test/fixtures"
-
-    private fun setupLanguageLevel() {
-        val projectConfigurationFacade = PhpProjectConfigurationFacade.getInstance(project)
-        projectConfigurationFacade.languageLevel = languageLevel
-    }
+abstract class IntentionTestBase(private val intentionToExecute: IntentionAction) : KphpStormTestBase() {
 
     /**
      * Run intention on file.fixture.php at place marked <caret>
      * file.qf.php must exist, the result of applying intention is compared to its contents
      */
     protected fun runIntention(fixtureFile: String) {
-        setupLanguageLevel()
-
         KphpStormConfiguration.saveThatSetupForProjectDone(project)
         myFixture.configureByFile(fixtureFile)
         myFixture.launchAction(myFixture.findSingleIntention(intentionToExecute.familyName))
@@ -39,8 +22,6 @@ abstract class IntentionTestBase(
      * Assert there are no intention [intentionToExecute] in file [fixtureFile]
      */
     protected fun assertNoIntention(fixtureFile: String) {
-        setupLanguageLevel()
-
         KphpStormConfiguration.saveThatSetupForProjectDone(project)
         myFixture.configureByFile(fixtureFile)
         val availableIntentions = myFixture

src/test/kotlin/com/vk/kphpstorm/testing/infrastructure/KphpStormTestBase.kt

@@ -0,0 +1,22 @@
+package com.vk.kphpstorm.testing.infrastructure
+
+import com.intellij.testFramework.fixtures.BasePlatformTestCase
+import com.jetbrains.php.config.PhpLanguageLevel
+import com.jetbrains.php.config.PhpProjectConfigurationFacade
+
+abstract class KphpStormTestBase() : BasePlatformTestCase() {
+
+    protected open val languageLevel: PhpLanguageLevel = PhpLanguageLevel.PHP740
+
+    override fun getTestDataPath() = "src/test/fixtures"
+
+    override fun setUp() {
+        super.setUp()
+        setupLanguageLevel()
+    }
+
+    private fun setupLanguageLevel() {
+        val projectConfigurationFacade = PhpProjectConfigurationFacade.getInstance(project)
+        projectConfigurationFacade.languageLevel = languageLevel
+    }
+}

src/test/kotlin/com/vk/kphpstorm/testing/infrastructure/TypeTestBase.kt

@@ -2,7 +2,6 @@ package com.vk.kphpstorm.testing.infrastructure
 
 import com.intellij.psi.PsiDocumentManager
 import com.intellij.psi.PsiElement
-import com.intellij.testFramework.fixtures.BasePlatformTestCase
 import com.jetbrains.php.lang.psi.elements.FunctionReference
 import com.jetbrains.php.lang.psi.elements.PhpPsiElement
 import com.jetbrains.php.lang.psi.elements.PhpTypedElement
@@ -12,8 +11,7 @@ import com.vk.kphpstorm.configuration.KphpStormConfiguration
 import com.vk.kphpstorm.exphptype.ExPhpTypePipe
 import com.vk.kphpstorm.helpers.toExPhpType
 
-abstract class TypeTestBase : BasePlatformTestCase() {
-    override fun getTestDataPath() = "src/test/fixtures"
+abstract class TypeTestBase : KphpStormTestBase() {
 
     protected open fun runFixture(vararg fixtureFiles: String) {
         KphpStormConfiguration.saveThatSetupForProjectDone(project)