Fix tests that depended on the default targets.

Author: nedtwigg

plugin-maven/src/test/java/com/diffplug/spotless/maven/MavenIntegrationHarness.java

@@ -115,11 +115,11 @@ protected void writePomWithKotlinSteps(String... steps) throws IOException {
 	}
 
 	protected void writePomWithCppSteps(String... steps) throws IOException {
-		writePom(groupWithSteps("cpp", steps));
+		writePom(groupWithSteps("cpp", including("**")), steps);
 	}
 
 	protected void writePomWithTypescriptSteps(String... steps) throws IOException {
-		writePom(groupWithSteps("typescript", steps));
+		writePom(groupWithSteps("typescript", including("**/*.ts"), steps));
 	}
 
 	protected void writePomWithPrettierSteps(String includes, String... steps) throws IOException {