diff --git a/tests/baselines/reference/for-of39.errors.txt b/tests/baselines/reference/for-of39.errors.txt
index 58b5f1ecdf1..62edda40de3 100644
--- a/tests/baselines/reference/for-of39.errors.txt
+++ b/tests/baselines/reference/for-of39.errors.txt
@@ -4,8 +4,8 @@ tests/cases/conformance/es6/for-ofStatements/for-of39.ts(1,19): error TS2345: Ar
       Types of parameters 'items' and 'items' are incompatible.
         Type 'ConcatArray<[string, boolean]>' is not assignable to type 'ConcatArray<[string, number] | [string, true]>'.
           Type '[string, boolean]' is not assignable to type '[string, number] | [string, true]'.
-            Type '[string, boolean]' is not assignable to type '[string, true]'.
-              Type 'boolean' is not assignable to type 'true'.
+            Type '[string, boolean]' is not assignable to type '[string, number]'.
+              Type 'boolean' is not assignable to type 'number'.
 
 
 ==== tests/cases/conformance/es6/for-ofStatements/for-of39.ts (1 errors) ====
@@ -17,8 +17,8 @@ tests/cases/conformance/es6/for-ofStatements/for-of39.ts(1,19): error TS2345: Ar
 !!! error TS2345:       Types of parameters 'items' and 'items' are incompatible.
 !!! error TS2345:         Type 'ConcatArray<[string, boolean]>' is not assignable to type 'ConcatArray<[string, number] | [string, true]>'.
 !!! error TS2345:           Type '[string, boolean]' is not assignable to type '[string, number] | [string, true]'.
-!!! error TS2345:             Type '[string, boolean]' is not assignable to type '[string, true]'.
-!!! error TS2345:               Type 'boolean' is not assignable to type 'true'.
+!!! error TS2345:             Type '[string, boolean]' is not assignable to type '[string, number]'.
+!!! error TS2345:               Type 'boolean' is not assignable to type 'number'.
     for (var [k, v] of map) {
         k;
         v;
diff --git a/tests/baselines/reference/unionTypeErrorMessageTypeRefs01.errors.txt b/tests/baselines/reference/unionTypeErrorMessageTypeRefs01.errors.txt
index 63683c87610..e7918d098db 100644
--- a/tests/baselines/reference/unionTypeErrorMessageTypeRefs01.errors.txt
+++ b/tests/baselines/reference/unionTypeErrorMessageTypeRefs01.errors.txt
@@ -1,9 +1,11 @@
 tests/cases/compiler/unionTypeErrorMessageTypeRefs01.ts(25,1): error TS2322: Type 'A<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.
-  Type 'A<Foo>' is not assignable to type 'C<Kwah>'.
-    Property 'cProp' is missing in type 'A<Foo>'.
+  Type 'A<Foo>' is not assignable to type 'A<Bar>'.
+    Type 'Foo' is not assignable to type 'Bar'.
+      Property 'bar' is missing in type 'Foo'.
 tests/cases/compiler/unionTypeErrorMessageTypeRefs01.ts(26,1): error TS2322: Type 'B<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.
-  Type 'B<Foo>' is not assignable to type 'C<Kwah>'.
-    Property 'cProp' is missing in type 'B<Foo>'.
+  Type 'B<Foo>' is not assignable to type 'B<Baz>'.
+    Type 'Foo' is not assignable to type 'Baz'.
+      Property 'baz' is missing in type 'Foo'.
 tests/cases/compiler/unionTypeErrorMessageTypeRefs01.ts(27,1): error TS2322: Type 'C<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.
   Type 'C<Foo>' is not assignable to type 'C<Kwah>'.
     Type 'Foo' is not assignable to type 'Kwah'.
@@ -48,13 +50,15 @@ tests/cases/compiler/unionTypeErrorMessageTypeRefs01.ts(50,1): error TS2322: Typ
     thingOfInterfaces = a;
     ~~~~~~~~~~~~~~~~~
 !!! error TS2322: Type 'A<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.
-!!! error TS2322:   Type 'A<Foo>' is not assignable to type 'C<Kwah>'.
-!!! error TS2322:     Property 'cProp' is missing in type 'A<Foo>'.
+!!! error TS2322:   Type 'A<Foo>' is not assignable to type 'A<Bar>'.
+!!! error TS2322:     Type 'Foo' is not assignable to type 'Bar'.
+!!! error TS2322:       Property 'bar' is missing in type 'Foo'.
     thingOfInterfaces = b;
     ~~~~~~~~~~~~~~~~~
 !!! error TS2322: Type 'B<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.
-!!! error TS2322:   Type 'B<Foo>' is not assignable to type 'C<Kwah>'.
-!!! error TS2322:     Property 'cProp' is missing in type 'B<Foo>'.
+!!! error TS2322:   Type 'B<Foo>' is not assignable to type 'B<Baz>'.
+!!! error TS2322:     Type 'Foo' is not assignable to type 'Baz'.
+!!! error TS2322:       Property 'baz' is missing in type 'Foo'.
     thingOfInterfaces = c;
     ~~~~~~~~~~~~~~~~~
 !!! error TS2322: Type 'C<Foo>' is not assignable to type 'A<Bar> | B<Baz> | C<Kwah>'.