Fix 3 tests

Author: owen-mc

java/ql/test-kotlin1/query-tests/DeadRefTypes/DeadRefTypes.expected

@@ -1 +1 @@
-| test.kt:1:1:1:20 | C1 | Unused class: C1 is not referenced within this codebase. If not used as an external API it should be removed. |
+| test.kt:1:1:1:31 | C1 | Unused class: C1 is not referenced within this codebase. If not used as an external API it should be removed. |

java/ql/test-kotlin1/query-tests/NamingConventionsRefTypes/NamingConventionsRefTypes.expected

@@ -1 +1 @@
-| Test.kt:12:1:12:13 | aaaa | Class and interface names should start in uppercase. |
+| Test.kt:12:1:12:24 | aaaa | Class and interface names should start in uppercase. |

java/ql/test-kotlin1/query-tests/UselessNullCheck/Test.kt

@@ -12,7 +12,7 @@ fun fn(x:Any?, y: Any?) {
 
 fun fn0(o: Any?) {
     if (o != null) {
-        o?.toString()
-        o.toString() // $ Alert
+        o?.toString() // $ Alert
+        o.toString()
     }
 }