Fix typo (#1548)

Author: Vassiliy-Kudryashov

utbot-intellij/src/main/resources/bundles/UtbotBundle.properties

@@ -2,7 +2,7 @@
 test.report.force.mock.warning=<b>Warning</b>: Some test cases were ignored, because no mocking framework is installed in the project.<br>\
 Better results could be achieved by <a href="{0}{1}">installing mocking framework</a>.
 test.report.force.static.mock.warning=<b>Warning</b>: Some test cases were ignored, because mockito-inline is not installed in the project.<br>\
-etter results could be achieved by <a href="{0}{1}">configuring mockito-inline</a>.
+Better results could be achieved by <a href="{0}{1}">configuring mockito-inline</a>.
 test.report.test.framework.warning=<b>Warning</b>: There are several test frameworks in the project.\
 To select run configuration, please refer to the documentation depending on the project build system:\
 <a href="https://docs.gradle.org/current/userguide/java_testing.html#sec:configuring_java_integration_tests">Gradle</a>,\