Rust: Add integration test for pub extern crate resolution

Author: hvitved

rust/ql/integration-tests/hello-workspace/exe/src/main.rs

@@ -7,4 +7,5 @@ mod a_module;
 fn main() {
     my_macro2!(); // $ item=my_macro2
     hello(); // $ item=HELLO
+    lib::extern_crate_alias::a_module::hello(); // $ item=HELLO
 }

rust/ql/integration-tests/hello-workspace/functions.expected

@@ -1,2 +1,2 @@
-| exe/src/main.rs:7:1:10:1 | fn main |
+| exe/src/main.rs:7:1:11:1 | fn main |
 | lib/src/a_module/mod.rs:1:1:4:1 | fn hello |

rust/ql/integration-tests/hello-workspace/lib/src/lib.rs

@@ -15,3 +15,5 @@ mod macros {
 }
 
 pub mod a_module;
+
+pub extern crate self as extern_crate_alias;

rust/ql/integration-tests/hello-workspace/summary.cargo.expected

@@ -9,8 +9,8 @@
 | Inconsistencies - Path resolution | 0 |
 | Inconsistencies - SSA | 0 |
 | Inconsistencies - data flow | 0 |
-| Lines of code extracted | 21 |
-| Lines of user code extracted | 21 |
+| Lines of code extracted | 23 |
+| Lines of user code extracted | 23 |
 | Macro calls - resolved | 10 |
 | Macro calls - total | 10 |
 | Macro calls - unresolved | 0 |

rust/ql/integration-tests/hello-workspace/summary.rust-project.expected

@@ -9,8 +9,8 @@
 | Inconsistencies - Path resolution | 0 |
 | Inconsistencies - SSA | 0 |
 | Inconsistencies - data flow | 0 |
-| Lines of code extracted | 21 |
-| Lines of user code extracted | 21 |
+| Lines of code extracted | 23 |
+| Lines of user code extracted | 23 |
 | Macro calls - resolved | 10 |
 | Macro calls - total | 10 |
 | Macro calls - unresolved | 0 |