[K/Wasm] Unmute most of the stepping tests for Wasm in K1

compiler/testData/debug/stepping/implicitThis.kt

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: WASM
+
 // FILE: test.kt
 
 fun box() {
@@ -66,3 +66,16 @@ class A {
 // test.kt:13 test
 // test.kt:14 test
 // test.kt:6 box
+
+// EXPECTATIONS WASM
+// test.kt:1 $box
+// test.kt:5 $box (4, 4, 8)
+// test.kt:29 $A.<init>
+// test.kt:11 $A.test
+// test.kt:18 $Companion.foo (20, 12)
+// test.kt:19 $Companion.foo
+// test.kt:12 $A.test (8, 8)
+// test.kt:23 $Companion.<get-prop> (23, 16)
+// test.kt:13 $A.test (15, 8)
+// test.kt:14 $A.test
+// test.kt:6 $box