PS: Add test with missing flow.

Author: MathiasVP

powershell/ql/test/library-tests/dataflow/local/test.expected

@@ -3,7 +3,7 @@
 | test.ps1:1:7:1:13 | Source | test.ps1:1:1:1:13 | ...=... |
 | test.ps1:2:1:2:9 | Sink | test.ps1:2:1:2:9 | pre-return value for Sink |
 | test.ps1:2:1:2:9 | Sink | test.ps1:2:1:2:9 | pre-return value for Sink |
-| test.ps1:2:1:2:9 | implicit unwrapping of Sink | test.ps1:1:1:14:8 | return value for test.ps1 |
+| test.ps1:2:1:2:9 | implicit unwrapping of Sink | test.ps1:1:1:17:8 | return value for test.ps1 |
 | test.ps1:2:1:2:9 | pre-return value for Sink | test.ps1:2:1:2:9 | implicit unwrapping of Sink |
 | test.ps1:4:1:4:3 | b | test.ps1:5:4:5:6 | b |
 | test.ps1:4:6:4:13 | GetBool | test.ps1:4:1:4:3 | b |
@@ -14,7 +14,7 @@
 | test.ps1:6:11:6:17 | Source | test.ps1:6:5:6:17 | ...=... |
 | test.ps1:8:1:8:9 | Sink | test.ps1:8:1:8:9 | pre-return value for Sink |
 | test.ps1:8:1:8:9 | Sink | test.ps1:8:1:8:9 | pre-return value for Sink |
-| test.ps1:8:1:8:9 | implicit unwrapping of Sink | test.ps1:1:1:14:8 | return value for test.ps1 |
+| test.ps1:8:1:8:9 | implicit unwrapping of Sink | test.ps1:1:1:17:8 | return value for test.ps1 |
 | test.ps1:8:1:8:9 | pre-return value for Sink | test.ps1:8:1:8:9 | implicit unwrapping of Sink |
 | test.ps1:10:1:10:3 | c | test.ps1:11:6:11:8 | c |
 | test.ps1:10:6:10:16 | [...]... | test.ps1:10:1:10:3 | c |
@@ -23,7 +23,7 @@
 | test.ps1:10:14:10:16 | b | test.ps1:10:6:10:16 | [...]... |
 | test.ps1:11:1:11:8 | Sink | test.ps1:11:1:11:8 | pre-return value for Sink |
 | test.ps1:11:1:11:8 | Sink | test.ps1:11:1:11:8 | pre-return value for Sink |
-| test.ps1:11:1:11:8 | implicit unwrapping of Sink | test.ps1:1:1:14:8 | return value for test.ps1 |
+| test.ps1:11:1:11:8 | implicit unwrapping of Sink | test.ps1:1:1:17:8 | return value for test.ps1 |
 | test.ps1:11:1:11:8 | pre-return value for Sink | test.ps1:11:1:11:8 | implicit unwrapping of Sink |
 | test.ps1:11:6:11:8 | [post] c | test.ps1:13:7:13:9 | c |
 | test.ps1:11:6:11:8 | c | test.ps1:13:7:13:9 | c |
@@ -35,5 +35,15 @@
 | test.ps1:13:7:13:9 | c | test.ps1:13:7:13:9 | c |
 | test.ps1:14:1:14:8 | Sink | test.ps1:14:1:14:8 | pre-return value for Sink |
 | test.ps1:14:1:14:8 | Sink | test.ps1:14:1:14:8 | pre-return value for Sink |
-| test.ps1:14:1:14:8 | implicit unwrapping of Sink | test.ps1:1:1:14:8 | return value for test.ps1 |
+| test.ps1:14:1:14:8 | implicit unwrapping of Sink | test.ps1:1:1:17:8 | return value for test.ps1 |
 | test.ps1:14:1:14:8 | pre-return value for Sink | test.ps1:14:1:14:8 | implicit unwrapping of Sink |
+| test.ps1:14:6:14:8 | [post] d | test.ps1:16:6:16:8 | d |
+| test.ps1:14:6:14:8 | d | test.ps1:16:6:16:8 | d |
+| test.ps1:16:1:16:3 | e | test.ps1:17:6:17:8 | e |
+| test.ps1:16:6:16:12 | ...+... | test.ps1:16:1:16:3 | e |
+| test.ps1:16:6:16:12 | ...+... | test.ps1:16:1:16:12 | ...=... |
+| test.ps1:16:6:16:12 | ...+... | test.ps1:16:6:16:12 | ...+... |
+| test.ps1:17:1:17:8 | Sink | test.ps1:17:1:17:8 | pre-return value for Sink |
+| test.ps1:17:1:17:8 | Sink | test.ps1:17:1:17:8 | pre-return value for Sink |
+| test.ps1:17:1:17:8 | implicit unwrapping of Sink | test.ps1:1:1:17:8 | return value for test.ps1 |
+| test.ps1:17:1:17:8 | pre-return value for Sink | test.ps1:17:1:17:8 | implicit unwrapping of Sink |

powershell/ql/test/library-tests/dataflow/local/test.ps1

@@ -11,4 +11,7 @@ $c = [string]$b
 Sink $c
 
 $d = ($c)
-Sink $d
+Sink $d
+
+$e = $d + 1
+Sink $e