Treat androidTest directory and *Spek.kt files as test sources.

[vanniktech]

Closes #1449

[vanniktech]

Sneaked this one in since I think Spek 2 does use Spek instead of Spec.

[vanniktech]

Locally, I'm getting:

➜  detekt git:(test-Spek-androidTest) ./gradlew generateDocumentation               
Downloading https://services.gradle.org/distributions/gradle-5.0-all.zip
...........................................................................................................................

Welcome to Gradle 5.0!

Here are the highlights of this release:
 - Kotlin DSL 1.0
 - Task timeouts
 - Dependency alignment aka BOM support
 - Interactive `gradle init`

For more details see https://docs.gradle.org/5.0/release-notes.html

Starting a Gradle Daemon (subsequent builds will be faster)

> Configure project :detekt-gradle-plugin
e: /home/niklas/dev/GitHub/detekt/detekt-gradle-plugin/build.gradle.kts:117:2: Unresolved reference: dependsOn

FAILURE: Build failed with an exception.

* Where:
Build file '/home/niklas/dev/GitHub/detekt/detekt-gradle-plugin/build.gradle.kts' line: 117

* What went wrong:
Script compilation error:

  Line 117:     dependsOn(generateDefaultDetektVersionFile)
             ^ Unresolved reference: dependsOn

1 error

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 23s
➜  detekt git:(test-Spek-androidTest) 

[vanniktech]

CI says:

Execution failed for task ':detekt-generator:verifyGeneratorOutput'.
> The default-detekt-config.yml is not up-to-date. You can execute the generateDocumentation Gradle task to update it and commit the changed files.

[arturbosch]

Mh, just checked your branch and I can build it locally with the gradle wrapper. However the indentation of the two lines is wrong. You just used tabs but yaml spaces -> that means first three tabs and then four spaces because we do trimIndent ...
I know that stupid indentation, we after we convert to standard KtLint formatting in 1.0, this will go away ^^

[vanniktech]

Okay. I should have seen that theoretically. Just today I uninstalled - https://github.com/lukechilds/github-custom-tab-size - this plugin basically adjusted the tab spacing to be the same and now that I have it no longer I saw what was actually wrong.

I believe this should go green now.

[codecov-io]

Codecov Report

Merging #1456 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1456      +/-   ##
============================================
- Coverage     74.65%   74.63%   -0.02%     
+ Complexity     1717     1716       -1     
============================================
  Files           326      326              
  Lines          5176     5181       +5     
  Branches        939      942       +3     
============================================
+ Hits           3864     3867       +3     
  Misses          788      788              
- Partials        524      526       +2

Impacted Files	Coverage Δ	Complexity Δ
...ekt/generator/printer/rulesetpage/ConfigPrinter.kt	85.71% <ø> (ø)	9 <0> (ø)	⬇️
.../arturbosch/detekt/rules/style/UnnecessaryApply.kt	83.33% <0%> (-6.15%)	6% <0%> (-1%)

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov-io]

Codecov Report

Merging #1456 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1456      +/-   ##
============================================
- Coverage     74.65%   74.63%   -0.02%     
+ Complexity     1717     1716       -1     
============================================
  Files           326      326              
  Lines          5176     5181       +5     
  Branches        939      942       +3     
============================================
+ Hits           3864     3867       +3     
  Misses          788      788              
- Partials        524      526       +2

Impacted Files	Coverage Δ	Complexity Δ
...ekt/generator/printer/rulesetpage/ConfigPrinter.kt	85.71% <ø> (ø)	9 <0> (ø)	⬇️
.../arturbosch/detekt/rules/style/UnnecessaryApply.kt	83.33% <0%> (-6.15%)	6% <0%> (-1%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a4bf04e...b4b2a5b. Read the comment docs.