Modify test RULE files to use frontmatter

Signed-off-by: AyanSinhaMahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

src/licensedcode/data/inactive/rules/free-unknown_url_glc_90.RULE

@@ -1 +1,12 @@
+---
+license_expression: free-unknown
+relevance: 100
+notes: |
+    License test derived from a file of the BSD-licensed repository at:
+    https://raw.githubusercontent.com/google/licensecheck/v0.3.1/testdata/ccurls.t1
+    originally expected to be detected as LiLiQ-P-1.1
+    with coverage of 0
+    This is a URL test extracted from ccurls.t1.
+---
+
 http://opensource.org/licenses/liliq-p-1.1

src/licensedcode/data/inactive/rules/free-unknown_url_glc_90.yml

@@ -1 +1,12 @@
+---
+license_expression: free-unknown
+relevance: 100
+notes: |
+    License test derived from a file of the BSD-licensed repository at:
+    https://raw.githubusercontent.com/google/licensecheck/v0.3.1/testdata/ccurls.t1
+    originally expected to be detected as LiLiQ-P-1.1
+    with coverage of 0
+    This is a URL test extracted from ccurls.t1.
+---
+
 https://opensource.org/licenses/liliq-p-1.1

src/licensedcode/data/inactive/rules/free-unknown_url_glc_91.RULE

@@ -1 +1,12 @@
+---
+license_expression: free-unknown
+relevance: 100
+notes: |
+    License test derived from a file of the BSD-licensed repository at:
+    https://raw.githubusercontent.com/google/licensecheck/v0.3.1/testdata/ccurls.t1
+    originally expected to be detected as LiLiQ-R-1.1
+    with coverage of 0
+    This is a URL test extracted from ccurls.t1.
+---
+
 http://opensource.org/licenses/liliq-r-1.1

src/licensedcode/data/inactive/rules/free-unknown_url_glc_91.yml

@@ -1 +1,12 @@
+---
+license_expression: free-unknown
+relevance: 100
+notes: |
+    License test derived from a file of the BSD-licensed repository at:
+    https://raw.githubusercontent.com/google/licensecheck/v0.3.1/testdata/ccurls.t1
+    originally expected to be detected as LiLiQ-R-1.1
+    with coverage of 0
+    This is a URL test extracted from ccurls.t1.
+---
+
 https://opensource.org/licenses/liliq-r-1.1

src/licensedcode/data/inactive/rules/free-unknown_url_glc_92.RULE

@@ -1 +1,12 @@
+---
+license_expression: free-unknown
+relevance: 100
+notes: |
+    License test derived from a file of the BSD-licensed repository at:
+    https://raw.githubusercontent.com/google/licensecheck/v0.3.1/testdata/ccurls.t1
+    originally expected to be detected as LiLiQ-Rplus-1.1
+    with coverage of 0
+    This is a URL test extracted from ccurls.t1.
+---
+
 http://opensource.org/licenses/liliq-rplus-1.1