Coverage is making source map locations invalid

[jason0x43]

Without the coverage loader:

× node - EventProxy - #getElementTextPath (0.002s)
    AssertionError: expected 'BODY[1][normalize-space(string())="Hello, world"]' to equal '/HTML/BODY[1][normalize-space(string())="Hello, world"]'
      at Test.#getElementTextPath [as test]  <webpack:/tests/unit/EventProxy.ts:202:11>
      at <src/lib/Test.ts:260:47>

With the coverage loader:

× node - EventProxy - #getElementTextPath (0.002s)
    AssertionError: expected 'BODY[1][normalize-space(string())="Hello, world"]' to equal '/HTML/BODY[1][normalize-space(string())="Hello, world"]'
      at Test.#getElementTextPath [as test]  <webpack:/tests/unit/EventProxy.ts:1:32180>
      at <src/lib/Test.ts:260:47>

Note the source locations in tests/unit/EventProxy.ts.

[jason0x43]

Note that the case above is somewhat invalid because the the test code itself was being instrumented, which shouldn't typically be done. However, the base problem of instrumentation breaking source locations still exists.