Initialize grails web app

grails/src/integration-test/resources/GebConfig.groovy

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+import org.openqa.selenium.chrome.ChromeDriver
+import org.openqa.selenium.chrome.ChromeOptions
+import org.openqa.selenium.htmlunit.HtmlUnitDriver
+
+environments {
+
+    // run via “./gradlew -Dgeb.env=chrome -Dwebdriver.chrome.driver=/Applications/chromedriver iT”
+    chrome {
+        driver = { new ChromeDriver() }
+    }
+
+    // run via “./gradlew -Dgeb.env=chromeHeadless -Dwebdriver.chrome.driver=/Applications/chromedriver iT”
+    chromeHeadless {
+        driver = {
+            ChromeOptions o = new ChromeOptions()
+            o.addArguments('headless')
+            new ChromeDriver(o)
+        }
+    }
+
+    // run via “./gradlew -Dgeb.env=htmlUnit iT”
+    htmlUnit {
+        driver = { new HtmlUnitDriver() }
+    }
+}

grails/src/test/groovy/com/baeldung/grails/StudentSpec.groovy

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+package com.baeldung.grails
+
+import grails.testing.gorm.DomainUnitTest
+import spock.lang.Specification
+
+class StudentSpec extends Specification implements DomainUnitTest<Student> {
+
+    def setup() {
+    }
+
+    def cleanup() {
+    }
+
+    void "test something"() {
+        expect:"fix me"
+            true == false
+    }
+}