Update test expectations

Author: atorralba

go/ql/test/library-tests/semmle/go/dataflow/FlowSteps/LocalTaintStep.expected

@@ -1,7 +1,10 @@
+| file://:0:0:0:0 | [summary param] 0 in Append | file://:0:0:0:0 | [summary] to write: ReturnValue in Append |
 | file://:0:0:0:0 | [summary param] 0 in AppendQuote | file://:0:0:0:0 | [summary] to write: ReturnValue in AppendQuote |
 | file://:0:0:0:0 | [summary param] 0 in AppendQuoteToASCII | file://:0:0:0:0 | [summary] to write: ReturnValue in AppendQuoteToASCII |
 | file://:0:0:0:0 | [summary param] 0 in AppendQuoteToGraphic | file://:0:0:0:0 | [summary] to write: ReturnValue in AppendQuoteToGraphic |
 | file://:0:0:0:0 | [summary param] 0 in AppendSlice | file://:0:0:0:0 | [summary] to write: ReturnValue in AppendSlice |
+| file://:0:0:0:0 | [summary param] 0 in Appendf | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendf |
+| file://:0:0:0:0 | [summary param] 0 in Appendln | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendln |
 | file://:0:0:0:0 | [summary param] 0 in As | file://:0:0:0:0 | [summary] to write: Argument[1] in As |
 | file://:0:0:0:0 | [summary param] 0 in Base | file://:0:0:0:0 | [summary] to write: ReturnValue in Base |
 | file://:0:0:0:0 | [summary param] 0 in BytePtrFromString | file://:0:0:0:0 | [summary] to write: ReturnValue in BytePtrFromString |
@@ -289,9 +292,6 @@
 | file://:0:0:0:0 | [summary param] -1 in WriteTo | file://:0:0:0:0 | [summary] to write: Argument[0] in WriteTo |
 | file://:0:0:0:0 | [summary param] -1 in WriteTo | file://:0:0:0:0 | [summary] to write: Argument[0] in WriteTo |
 | file://:0:0:0:0 | [summary param] -1 in WriteTo | file://:0:0:0:0 | [summary] to write: Argument[0] in WriteTo |
-| file://:0:0:0:0 | [summary] read: Argument[0].ArrayElement in Append | file://:0:0:0:0 | [summary] to write: ReturnValue in Append |
-| file://:0:0:0:0 | [summary] read: Argument[0].ArrayElement in Appendf | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendf |
-| file://:0:0:0:0 | [summary] read: Argument[0].ArrayElement in Appendln | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendln |
 | file://:0:0:0:0 | [summary] read: Argument[0].ArrayElement in Sprint | file://:0:0:0:0 | [summary] to write: ReturnValue in Sprint |
 | file://:0:0:0:0 | [summary] read: Argument[0].ArrayElement in Sprintln | file://:0:0:0:0 | [summary] to write: ReturnValue in Sprintln |
 | file://:0:0:0:0 | [summary] read: Argument[1].ArrayElement in Append | file://:0:0:0:0 | [summary] to write: ReturnValue in Append |

go/ql/test/library-tests/semmle/go/frameworks/TaintSteps/TaintStep.expected

@@ -318,7 +318,10 @@
 | errors.As | file://:0:0:0:0 | [summary param] 0 in As | file://:0:0:0:0 | [summary] to write: Argument[1] in As |
 | errors.New | file://:0:0:0:0 | [summary param] 0 in New | file://:0:0:0:0 | [summary] to write: ReturnValue in New |
 | errors.Unwrap | file://:0:0:0:0 | [summary param] 0 in Unwrap | file://:0:0:0:0 | [summary] to write: ReturnValue in Unwrap |
+| fmt.Append | file://:0:0:0:0 | [summary param] 0 in Append | file://:0:0:0:0 | [summary] to write: ReturnValue in Append |
+| fmt.Appendf | file://:0:0:0:0 | [summary param] 0 in Appendf | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendf |
 | fmt.Appendf | file://:0:0:0:0 | [summary param] 1 in Appendf | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendf |
+| fmt.Appendln | file://:0:0:0:0 | [summary param] 0 in Appendln | file://:0:0:0:0 | [summary] to write: ReturnValue in Appendln |
 | fmt.GoStringer.GoString | file://:0:0:0:0 | [summary param] -1 in GoString | file://:0:0:0:0 | [summary] to write: ReturnValue in GoString |
 | fmt.ScanState.Read | file://:0:0:0:0 | [summary param] -1 in Read | file://:0:0:0:0 | [summary] to write: Argument[0] in Read |
 | fmt.ScanState.Token | file://:0:0:0:0 | [summary param] -1 in Token | file://:0:0:0:0 | [summary] to write: ReturnValue in Token |