[PL][tests] Keep PL test data under "testData/klib/" dir

compiler/testData/klib/partial-linkage/noNonImplementedCallableFalsePositives/lib/l.kt

@@ -0,0 +1,21 @@
+package lib
+
+interface I {
+    fun f(): Int
+    val p1: Int
+    val p2: Int
+}
+
+interface I2: I {
+    fun compute() = f() * p1 * p2
+}
+
+abstract class AC : I2 {
+    override fun f() = 42
+    override val p1 get() = 2
+    override val p2 get() = -1
+}
+
+// All callables are correctly implemented in class C.
+// Need to check that no false positives of "non-implemented" callables are detected for this case.
+class C : I, AC()

compiler/testData/klib/partial-linkage/noNonImplementedCallableFalsePositives/lib/module.info

@@ -0,0 +1,2 @@
+STEP 0:
+    dependencies: stdlib

compiler/testData/klib/partial-linkage/noNonImplementedCallableFalsePositives/main/m.kt

@@ -0,0 +1,10 @@
+import abitestutils.abiTest
+import lib.C
+
+fun box() = abiTest {
+    val c = C()
+    expectSuccess(42) { c.f() }
+    expectSuccess(2) { c.p1 }
+    expectSuccess(-1) { c.p2 }
+    expectSuccess(-84) { c.compute() }
+}

compiler/testData/klib/partial-linkage/noNonImplementedCallableFalsePositives/main/module.info

@@ -0,0 +1,2 @@
+STEP 0:
+    dependencies: stdlib, lib

compiler/testData/klib/partial-linkage/noNonImplementedCallableFalsePositives/project.info

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+MODULES: lib, main
+
+STEP 0:
+    libs: lib, main