Add test for missing generic method

java/ql/test/kotlin/library-tests/methods-mixed-java-and-kotlin/A.java

@@ -0,0 +1,5 @@
+package j;
+
+interface A<T> {
+    void foo(T t);
+}

java/ql/test/kotlin/library-tests/methods-mixed-java-and-kotlin/B.java

@@ -0,0 +1,5 @@
+package j;
+
+class B implements A<String> {
+    public void foo(String t) {}
+}

java/ql/test/kotlin/library-tests/methods-mixed-java-and-kotlin/W.kt

@@ -0,0 +1,9 @@
+package k
+
+interface A<T> {
+    fun foo(t: T)
+}
+
+class B : A<String> {
+    override fun foo(t: String) {}
+}

java/ql/test/kotlin/library-tests/methods-mixed-java-and-kotlin/test.expected

@@ -0,0 +1,5 @@
+| A.class:0:0:0:0 | foo | A<String>.foo | foo(java.lang.String) | A.java:4:10:4:12 | foo | A.foo |
+| A.java:4:10:4:12 | foo | A.foo | foo(java.lang.Object) | A.java:4:10:4:12 | foo | A.foo |
+| B.java:4:17:4:19 | foo | B.foo | foo(java.lang.String) | B.java:4:17:4:19 | foo | B.foo |
+| W.kt:4:5:4:17 | foo | A.foo | foo(java.lang.Object) | W.kt:4:5:4:17 | foo | A.foo |
+| W.kt:8:14:8:34 | foo | B.foo | foo(java.lang.String) | W.kt:8:14:8:34 | foo | B.foo |

java/ql/test/kotlin/library-tests/methods-mixed-java-and-kotlin/test.ql

@@ -0,0 +1,6 @@
+import java
+
+from Method m
+where m.getName() = "foo"
+select m, m.getQualifiedName(), m.getSignature(), m.getSourceDeclaration(),
+  m.getSourceDeclaration().getQualifiedName()