Bugzilla

I had what I thought was a fairly good and elegant attempt at preventing this `compiz` error in this push:
https://treeherder.mozilla.org/#/jobs?repo=try&resultStatus=pending%2Crunning%2Csuperseded%2Cusercancel%2Cretry%2Csuccess%2Ctestfailed%2Cbusted%2Cexception&classifiedState=unclassified&group_state=expanded&revision=9a15447e319eb34f081fbd36ece77e3440035d8f&searchStr=linux64%2Fopt&selectedJob=246988518

However, turns out there's a problem with parsing `mozharness_args`, since not all suites pass in arguments that is necessary for this code section to work:

```
    declare -a REQUIRES_COMPIZ=("mochitest-plain"
                                "mochitest-browser-chrome-chunked"
                                "mochitest-devtools-chrome-chunked"
                                "mochitest-chrome"
                                "mochitest-a11y"
                                "wdspec"
                                )

    # only start compiz (which is time consuming) if it's actually required.
    for test_suite in "${REQUIRES_COMPIZ[@]}"; do
	if [[ "${@}" == *$test_suite* ]]; then
            # start compiz for our window manager
            compiz 2>&1 &
            break;
        fi
    done
```

Examples of tests that do not pass in `mozharness_args` in a nice format are `web-platform-tests`, `firefox-ui-functional-remote` and `marionette`.

This approach (of detecting in shell script) thus won't work.

I had what I thought was a fairly good and elegant attempt at preventing this `compiz` error in this push:
https://treeherder.mozilla.org/#/jobs?repo=try&resultStatus=pending%2Crunning%2Csuperseded%2Cusercancel%2Cretry%2Csuccess%2Ctestfailed%2Cbusted%2Cexception&classifiedState=unclassified&group_state=expanded&revision=9a15447e319eb34f081fbd36ece77e3440035d8f&searchStr=linux64%2Fopt&selectedJob=246988518

However, turns out there's a problem with parsing `mozharness_args`, since not all suites pass in arguments that is necessary for this code section to work:

```
    declare -a REQUIRES_COMPIZ=("mochitest-plain"
                                "mochitest-browser-chrome-chunked"
                                "mochitest-devtools-chrome-chunked"
                                "mochitest-chrome"
                                "mochitest-a11y"
                                "wdspec"
                                )

    # only start compiz (which is time consuming) if it's actually required.
    for test_suite in "${REQUIRES_COMPIZ[@]}"; do
	if [[ "${@}" == *$test_suite* ]]; then
            # start compiz for our window manager
            compiz 2>&1 &
            break;
        fi
    done
```

Examples of tests that do not pass in `mozharness_args` in a nice format are `web-platform-tests`, `firefox-ui-functional-remote` and `marionette`. These are not caught by the whitelist `REQUIRES_COMPIZ` and thus compiz is not started, and tests fail.

This approach (of detecting in shell script) thus won't work.