Update project-keeper/src/test/java/com/exasol/projectkeeper/validato…

…rs/files/JavaVersionExtractorTest.java

Co-authored-by: Christoph Kuhnke <[email protected]>

project-keeper/src/test/java/com/exasol/projectkeeper/validators/files/JavaVersionExtractorTest.java

@@ -17,7 +17,7 @@
 class JavaVersionExtractorTest {
 
     @Test
-    void nonSource() {
+    void noSources() {
         final IllegalStateException exception = assertThrows(IllegalStateException.class, () -> extract());
         assertThat(exception.getMessage(), equalTo("No sources, can't get java versions"));
     }