Verify that JavaScript SourceMap handle different sourcemap with overlapping sources.

Running: initialWorkspace
Removed: 0 uiSourceCodes
Workspace: 2 uiSourceCodes.
    debugger:///VM[XXX]
    http://127.0.0.1:8000/devtools/resources/inspected-page.html

Running: attachFrame1
Removed: 0 uiSourceCodes
Workspace: 9 uiSourceCodes.
    debugger:///VM[XXX]
[+] debugger:///VM[XXX] script1.js
[+] debugger:///VM[XXX] _test_create-frame1.js
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
[+] _test_create-frame1.js

Running: attachAnotherFrame1
Removed: 0 uiSourceCodes
Workspace: 13 uiSourceCodes.
    debugger:///VM[XXX]
    debugger:///VM[XXX] script1.js
[+] debugger:///VM[XXX] script1.js
[+] debugger:///VM[XXX] _test_create-anotherFrame1.js
    debugger:///VM[XXX] _test_create-frame1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
[+] _test_create-anotherFrame1.js
    _test_create-frame1.js

Running: attachFrame2
Removed: 0 uiSourceCodes
Workspace: 19 uiSourceCodes.
    debugger:///VM[XXX]
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script1.js
[+] debugger:///VM[XXX] script2.js
    debugger:///VM[XXX] _test_create-anotherFrame1.js
    debugger:///VM[XXX] _test_create-frame1.js
[+] debugger:///VM[XXX] _test_create-frame2.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame2.html
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script2.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
[+] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique2.ts
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
    _test_create-anotherFrame1.js
    _test_create-frame1.js
[+] _test_create-frame2.js

Running: detachAnotherFrame1
Removed: 1 uiSourceCodes
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
Workspace: 20 uiSourceCodes.
    debugger:///VM[XXX]
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script2.js
    debugger:///VM[XXX] _test_create-anotherFrame1.js
    debugger:///VM[XXX] _test_create-frame1.js
    debugger:///VM[XXX] _test_create-frame2.js
[+] debugger:///VM[XXX] _test_detach-anotherFrame1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame2.html
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script2.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique2.ts
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
    _test_create-anotherFrame1.js
    _test_create-frame1.js
    _test_create-frame2.js
[+] _test_detach-anotherFrame1.js

Running: detachFrame2
Removed: 3 uiSourceCodes
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame2.html
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script2.js
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique2.ts
Workspace: 19 uiSourceCodes.
    debugger:///VM[XXX]
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script2.js
    debugger:///VM[XXX] _test_create-anotherFrame1.js
    debugger:///VM[XXX] _test_create-frame1.js
    debugger:///VM[XXX] _test_create-frame2.js
    debugger:///VM[XXX] _test_detach-anotherFrame1.js
[+] debugger:///VM[XXX] _test_detachFrame2.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
    http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
    _test_create-anotherFrame1.js
    _test_create-frame1.js
    _test_create-frame2.js
    _test_detach-anotherFrame1.js
[+] _test_detachFrame2.js

Running: detachFrame1
Removed: 4 uiSourceCodes
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/common.ts
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/frame1.html
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/script1.js
[-] http://127.0.0.1:8000/devtools/bindings/resources/jssourcemaps-with-overlapping-sources/unique1.ts
Workspace: 17 uiSourceCodes.
    debugger:///VM[XXX]
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script1.js
    debugger:///VM[XXX] script2.js
    debugger:///VM[XXX] _test_create-anotherFrame1.js
    debugger:///VM[XXX] _test_create-frame1.js
    debugger:///VM[XXX] _test_create-frame2.js
    debugger:///VM[XXX] _test_detach-anotherFrame1.js
[+] debugger:///VM[XXX] _test_detachFrame1.js
    debugger:///VM[XXX] _test_detachFrame2.js
    http://127.0.0.1:8000/devtools/resources/inspected-page.html
    _test_create-anotherFrame1.js
    _test_create-frame1.js
    _test_create-frame2.js
    _test_detach-anotherFrame1.js
[+] _test_detachFrame1.js
    _test_detachFrame2.js