Emit JUnit output whilst running gradle through CLI

Tweaks the gradle script to forward on test failures in a way that the
stack trace is preserved.

Previously, the stack pointed to a line after the test suite, e.g. line
101 on an 80 line file.

build.gradle.kts

@@ -23,3 +23,20 @@ subprojects {
 		}
 	}
 }
+
+tasks.withType<Test> {
+	// Ensure Junit emits the full stack trace when a unit test fails through gradle
+	useJUnit()
+
+	testLogging {
+		events(
+			org.gradle.api.tasks.testing.logging.TestLogEvent.FAILED,
+			org.gradle.api.tasks.testing.logging.TestLogEvent.STANDARD_ERROR,
+			org.gradle.api.tasks.testing.logging.TestLogEvent.SKIPPED
+		)
+		exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+		showExceptions = true
+		showCauses = true
+		showStackTraces = true
+	}
+}